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[audio recording playing]

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[man 1 speaking]

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[man 2 speaking]

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[man 3 speaking]

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[man 4]
<i>The thing inside of me,</i> <i>it's like...</i>

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<i>The appetite,</i>
<i>it's like a vortex...</i>

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<i>...beyond hunger.</i>

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[audio recording playing]

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[Nick Nigro speaking]

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In the moment, it sounds like
somebody who's scared, somebody who's panicked.

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Somebody who is desperate.

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<i>And it's what</i>
<i>I think many of us</i> <i>would expect to see and hear</i>

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from someone who has
just come home and found a crime scene.

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When I got here
they were taking out the two bodies.

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[news reporter]
<i>Prosecutors say a 21-year-old</i> <i>and her 48-year-old mother</i>

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<i>were found shot to death</i>
<i>in separate bedrooms</i>

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<i>of this home</i>
<i>on Scarborough Drive</i> <i>around 3.00 this morning.</i>

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<i>Authorities say they were both</i>
<i>murdered but won't comment</i> <i>on a possible motive.</i>

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[Nick Nigro] Uh...

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This is a 25-year-old
grown adult

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who is still living
in his parents' home, doesn't really have a job.

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<i>He doesn't have a meaningful</i>
<i>sense of purpose</i> <i>or routine.</i>

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So what we see
is this parasitic tendency,

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which is absolutely a marker
of psychopathic behavior.

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Nigro is really
putting on display this perfect relationship,

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<i>giving detectives</i>
<i>what he thinks they want.</i>

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<i>This is what we might call</i>
<i>'impression management'.</i>

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Nothing to see here.
Everything was perfect.

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[Nick sobbing]

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[sniffles]

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That is not someone
who's experiencing genuine sadness.

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He... He didn't have
actual tears coming out.

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<i>Psychopaths often</i>
<i>replicate emptions.</i>

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<i>They'll try to say</i>
<i>the right thing.</i>

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They'll try to do what
they think is the most logical action at a certain time,

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uh, to come off as,
as normal.

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He's first talking about her
in this perfect relationship,

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idolized way.
He switches positions that

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she must have been
into something that I didn't know about.

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And what we also see
is that Nigro is making this all about himself.

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"I have to get to the bottom
of this, I have to figure this out, I'm confused."

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It's now about his reaction,
not two dead human beings.

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It's a very common sign
of someone who was lying

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where they will,
uh, change the narrative

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and then they'll try
to sprinkle in parts of the truth.

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<i>He's saying,</i>
<i>"I have this drug problem.</i> <i>So look there."</i>

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And the drug problem
is going to lead you to who did this.

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<i>He has a whole</i>
<i>red herring figured out.</i>

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He has the whole story planned
for how he wants this to go.

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You see an arrogance
that's emerging.

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<i>Somebody who thinks</i>
<i>he's clearly smarter</i> <i>than the detectives.</i>

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Both detectives pull
at the sweater string,

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and then things start
to come unraveled.

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Because individuals
who are psychopathic

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<i>and have an unhealthy level</i>
<i>of narcissism or arrogance</i>

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<i>can't resist taking that bait.</i>

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<i>He, like most psychopaths,</i>

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often feel like
they're the most clever person in the room.

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They often feel as though
no one can trick them,

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and they have the skill
to get what they want out of the world

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by, by manipulating them
and tricking them.

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You can hear the escalation
in his voice when he's emotional here.

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<i>He's so upset that</i>
<i>they did not buy his story.</i>

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And I think there you can
actually see genuine emotion coming out of him.

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But it's just not for
the reason that you would expect.

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[Jonathan Deright]
<i>I hear him snapping.</i>

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He's saying these statements
that he's doing it mockingly.

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But, but it's an easier way
to, to try to, um,

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make it come across
as, as truthful.

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Detectives have tried a bunch
of different strategies

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and they might just have
finally hit on one that was motivating to him.

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And it's likely about
Nigro saving face with his own parents,

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<i>and with his younger brother.</i>

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<i>"They're gonna turn</i>
<i>their back on me.</i> <i>And they're gonna move on."</i>

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<i>And, "I know how I look</i>
<i>to other people."</i>

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So it's manipulative
in its own right, and it's self-serving.

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[bleeping]

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That moment when he looked
straight at the camera and pauses,

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<i>we realize that</i>
<i>this is all an act.</i>

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<i>Maybe they're in the other</i>
<i>room watching,</i>

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and maybe, and they might
believe him this time.

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[scoffs]

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[bleeping]

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He's very angry

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that his attempts to control
the whole situation is subverted.

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And he's not able to keep
his family out of this.

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<i>So he has his back</i>
<i>against the wall.</i>

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He tries to change tact again.

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[detective 1] Well...

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Nigro's attitude is,
he's doing them a favor.

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<i>I think it's still his attempt</i>
<i>to try and stay in a position</i> <i>of power.</i>

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He's trying to control
the narrative.

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Part of the manipulation
may be that he's hoping for leniency.

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<i>He's hoping if he gives them</i>
<i>what they want,</i>

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<i>they'll back out of</i>
<i>throwing the book at him.</i>

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But what he also wants
is for his family to be pulled out of this.

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I wanted her to-- Yeah.

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It's clear from the way
he talks about his rage

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that he feels emasculated.

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So this starts to move us
away from impulsivity

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and more towards giving into
the impulsive rage.

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Majority of us may have urges
at times to hurt someone or have them feel pain.

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<i>But we have enough</i>
<i>internal regulation.</i>

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Psychopaths don't
have that regulator.

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[detective 2] Um...

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He's talking about it
almost like they're not real people, they're puppets.

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And that lack of emotion,
that lack of connectedness

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to somebody that he was
prepared to marry and live with

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really highlights that lack
of emotional experience.

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He really has
this mentality of 'it's me against the world.'

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We see that a lot
in psychopaths.

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<i>Uh, he's really tried</i>
<i>to make himself believe,</i>

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if I wouldn't have done this,
she would've done it to me.

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I had to protect myself.

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[siren wailing]

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Nigro is telling us
that he's not sadistic,

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and yet, he's also told us
that he deliberately chose to kill her mother first

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so that his girlfriend
would be aware that her mother was being killed,

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which is nothing short
of a sadistic act.

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He really portrays himself
as a victim of women.

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When really, he was the one
victimizing women.

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<i>I think that what</i>
<i>we're all thinking when</i> <i>he's saying that is,</i>

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he says,
"I created a monster."

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And the natural
progression is,

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"Are you talking about
a monster in you, or in her?"

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Years of relationship.

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Yeah. Yeah.

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[Nameeta Sahni]
<i>Nigro understands he tried</i>

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<i>to give a narrative</i>
<i>that wasn't believed.</i>

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He's accepting his fate.

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And because people
are dispensable to him,

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he's projecting that onto
his mother and brother.

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<i>They're gonna</i>
<i>turn their back on me.</i>

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I think at this point
what we're seeing is somebody who's accepting his reality.