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A Two-Person Threat Interview: The Jazz of Threat Assessment

  • Writer: Dr. Brian Van Brunt
    Dr. Brian Van Brunt
  • Nov 20, 2025
  • 6 min read

Updated: Jan 4


A street performer in New Orleans playing the trombone.

If you’ve ever watched a two-person threat assessment interview with zero preplanning, you know the vibe: it starts as a professional meeting and slowly morphs into an improv show no one auditioned for. One person is trying to build rapport, the other is flipping through papers like they’re hunting for a lost tax form, and the subject is swiveling back and forth like they’re watching tennis in hell.

 

Let’s talk about why preplanning matters when you’ve got two people in the room (or on Zoom), and how to make “two interviewers” feel like a tactical advantage instead of a chaotic group project.

 

Two Brains, One Interview: The Upside of a Duo

There are genuinely good reasons to have two people in a threat assessment interview. Sometimes it’s about safety: if the subject has a history of volatility, making sure no one is in a room alone is just basic self-care. Sometimes it’s about division of labor: one person can focus on the conversation while the other serves as the designated note-goblin, quietly documenting key quotes, time markers, and risk indicators, rather than trying to remember them all 45 minutes later. Sometimes it’s about training: a more experienced staff member modeling skills and structure while a newer colleague gets live reps in a semi-contained environment. And sometimes it’s just how your campus or workplace does things, HR and BIT together, supervisor plus mental health, security plus student affairs.

 

When it works, it really works. One interviewer can carry the emotional connection, track the subject’s nonverbals, and stay present. The other can watch the wider pattern: “We’ve spent 20 minutes on grievance, we still haven’t asked about weapons,” or “Every time we mention students, he tenses; come back to that.” If one line of questioning is going badly, the second person can gently “tap in” and shift the energy: “Let me come at this a different way,” or “I want to check something you said earlier.” Done well, it feels to the subject like two people collaborating to understand them, not two people piling on.

But that doesn’t happen by accident.

 

The Dark Side of Duo Dynamics

Without preplanning, adding a second interviewer can make things worse, not better. The subject may already walk in feeling scrutinized, judged, and outnumbered; seeing two faces instead of one can crank up defensiveness before you’ve asked the first question. If your communication as interviewers is shaky, that defensiveness only gets reinforced. A quick way to look unprofessional is to make the subject sit through visible confusion about who’s talking next, contradictory questions, or awkward overlaps.

 

There’s also the “rapid-fire cross-examination” problem. Two people with good intentions, both worried about missing something important, can end up tag-teaming questions, leaving little space for the subject to think or breathe. One asks a question, the subject gets three words out, and the other jumps in with, “Okay, but what about…?” Suddenly, it feels less like a conversation and more like an oral exam where the goal is to survive, not to open up. That’s a recipe for short, guarded, impression-managed answers, which is exactly what we don’t want in a threat assessment.

 

And then there’s the subtler issue: if you haven’t prepped roles, you can accidentally start running a “good cop, bad cop” dynamic you never meant to create. One person leans heavily on empathy, the other leans heavily on confrontation, and pretty soon the subject is splitting you in their mind into “the one who gets me” and “the one who’s out to get me.” That can sometimes be useful tactically, but if you don’t agree on it in advance, it’s just as likely to create mixed messages, internal resentment, and a fractured interview.

 

Preplanning: Who’s Doing What, When, and How

The fix is not complicated, but it does require ten minutes of grown-up conversation before you hit “Join Meeting.”

 

Start by deciding who the lead interviewer is. That person handles the opening, sets the frame (“Here’s why we’re here, here’s what we’ll do, here’s what we’re not deciding today”), and guides the overall flow. They’re the leading voice the subject gets used to. The second person shouldn’t be lurking silently in the corner—that’s creepy—but they also shouldn’t be jumping in every 30 seconds. Think of them as the co-pilot, not the second pilot trying to grab the controls.

 

Next, divide question types. One simple split is rapport and narrative versus risk spine. Maybe one person handles early “tell me your story” material and asks about identity, work, stress, and relationships; the other takes point on the more structured safety domains, harm to self, harm to others, weapons, leakage, catalyst events, and supports. That way, you’re not both fishing for the same information with slightly different wording.

 

Decide who is taking notes and what kind. Are you aiming for verbatim quotes or just key phrases and time stamps? Will the note-taker jump in with questions, or only occasionally? Nothing says “we didn’t plan this” like two people writing feverishly while both trying to ask questions at the same time.

 

Finally, talk through how you’ll handle a tactical handoff. If the lead interviewer gets stuck in a loop, same argument three different ways, rising tension, subject shutting down, how will the second person step in without making it weirder? Having language like, “Let me jump in with a different angle,” or “I want to check something from earlier,” gives you a pre-agreed bridge to switch gears without looking like you’re wrestling the mic away.

 

Zoom, Chat, and the Art of the Live Pivot

Online interviews add a whole extra layer of complexity. You can’t give each other a look across the table that means, “Do not say that,” or “I’m stuck, help.” Your facial expressions are smaller, your timing is off by half a second, and all the little in-person cues you rely on are diluted.

 

This is where a live backchannel, text, chat, or a running document, becomes your best friend.


If you’re on Zoom or Teams, you should assume that some of your real work together is happening in the background. One person is talking to the subject; the other is quietly typing:

  • “He spikes when we mention administration, let’s come back to that later.”

  • “We’re 25 minutes in and haven’t asked about weapons yet. Work that in after this.”

  • “He reacted strongly to the word ‘lonely’—maybe switch to ‘isolated’ or ‘on your own.’”

  • “I can take the next question and start to wind us toward ending.”

 

This is not manipulative; it’s professional coordination. You’re doing in chat what you’d otherwise do with eye contact, a head tilt, or a scribbled note across a table. It’s also where you can call out midstream patterns you’re seeing: “He denies anything framed as emotional (sad, afraid), but opens up when we frame it as values or ethics.” That kind of real-time adjustment is almost impossible for one clinician to pull off solo, but much easier when someone else is watching the pattern while you’re in the heat of the conversation.

 

The key, of course, is that your chat is actually being used. If one of you is monologuing and the other is silently taking notes without feeding anything back, you’ve just recreated a one-person interview with an audience.

 

Don’t Overwhelm the Subject (Or Each Other)

All of this planning and backchanneling only works if you remember the person in the middle, who may already feel outnumbered, anxious, or angry. Two interviewers give you more capacity, but they also give the subject more faces to read, more voices to track, and more potential sources of judgment. It’s easy, when you’re excited about your shiny coordination system, to accidentally turn it into a verbal firing squad.

 

So even with a plan, you want to build in space. Let the subject finish their sentences. Give them a beat after a hard question. Don’t have the second person jump on every pause like a game show buzzer. If you’re noticing their shoulders creeping up, their answers getting shorter, their sarcasm sharpening, that’s feedback: slow it down, soften your entry, or have the other interviewer shift tone.

 

Preplanning isn’t about scripting the interview; it’s about giving yourselves enough structure that you can be flexible without falling apart. Two interviewers can absolutely feel like “good cop, bad cop,” but the goal is more “good cop, different cop.” One holds the warm, narrative thread; the other guards the safety spine. Both are rowing in the same direction.

 

In the end, a well-planned two-person interview should feel to the subject like two professionals collaborating to understand them, not two strangers taking turns poking them with a stick. And for you, it should feel less like improv night and more like jazz: you know the tune, you know your part, and you trust your partner enough to riff, without losing the rhythm.

 
 
 

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Behavioral Threat Assessment and Management Institute

Brian Van Brunt | brian@dprep.com​​

Bethany Smith | bethany@dprep.com

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