Roll Call Briefing
Roll call, 14:00. Sector 1: Officer Dial, car 12, Riverbend and the mall. Sector 2: Officer Nakamura, car 7, Old Town and the depot. Sector 3: Officer Okafor, car 9, Northgate industrial. Shift runs 14:00–22:00; primary radio channel is 3; Sergeant Vance supervises on channel 3 unless she announces code 5. BOLO: blue four-door sedan, plate 7ABC123, last seen westbound on Route 9 at 13:40; occupant may be armed with a knife. Policy: any vehicle pursuit requires supervisor authorization before it begins, and sector cars handle calls in their own sector unless a supervisor reassigns.
At 14:25 a caller reports a blue sedan with plate 7ABC123 parked at the depot. At 14:31 a second caller reports a blue sedan eastbound on Route 9 near Northgate.
1. Which car should dispatch send to the depot call, and what should dispatch include in the transmission?
Read the worked answer
Car 7, Officer Nakamura. The depot is in Sector 2, and the policy default is that sector cars handle calls in their own sector.
Why not the other cars:
- Car 12 (Dial, Sector 1) covers Riverbend and the mall. Sending Dial leaves Sector 1 uncovered and requires supervisor reassignment to be lawful under the policy.
- Car 9 (Okafor, Sector 3) is closer to the Route 9 sighting at 14:31 and will likely be needed there.
Transmission contents:
- BOLO match on plate 7ABC123 - the plate, not the color, is the identifying detail.
- Occupant may be armed with a knife.
- The vehicle is parked, which changes tactics: approach with cover, do not walk up on the driver's side.
- Reminder that any pursuit needs Vance's authorization before it begins, so if the sedan moves, Nakamura must call channel 3 first.
- Request a second unit for perimeter; note that the 14:31 eastbound sighting is being handled separately.
2. A dispatcher transmits: "Car 12, you take the depot; car 7, cover Riverbend." What policy problem does this create, and what must happen first?
Read the worked answer
The problem: a dispatcher is performing a supervisor reassignment. The policy states that sector cars handle their own sector unless a supervisor reassigns. The dispatcher is not the supervisor, so the swap is unauthorized as transmitted.
What must happen first: Sergeant Vance must approve the reassignment on channel 3 (unless she has announced code 5, in which case she is unavailable and the default assignments stand).
Two secondary problems the swap creates:
- Coverage gap. Both sectors are uncovered during the exchange, and Sector 1 is a mall area at mid-afternoon.
- Familiarity. Dial has not been assigned the depot's layout or the parked-vehicle approach for an armed-occupant BOLO; Nakamura has.
Correct response from Nakamura: acknowledge, state the policy conflict on channel 3, and request Vance's decision rather than simply complying or simply refusing.
3. The 14:31 report is eastbound near Northgate, while the BOLO says westbound at 13:40. What can and cannot be concluded?
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Cannot be concluded:
- That the BOLO is wrong. Fifty-one minutes separate the two reports; a vehicle can easily turn around in that window.
- That the two reports are the same vehicle. Color matches and the plate is reported at the depot but not confirmed at the second call.
- That the direction discrepancy discredits either caller. Direction is the least reliable element of a witness report; the plate is the most reliable.
Can be concluded:
- Both are possible sightings of the BOLO vehicle and should be treated as live until excluded.
- The Route 9 sighting falls in Sector 3, so car 9 (Okafor) is the default responder, while car 7 holds the depot.
- The eastbound direction means the vehicle may be moving toward Northgate industrial rather than away, which raises rather than lowers the priority.
Reasoning point: a contradiction between two reports is only meaningful if the reports are about the same moment. Here they are not.