Radio Codes For Duress . . . (or I need help now)

[AnthonyM83]

That seems right.

One of the most tense scenes he recalls is when he was surrounded on all sides by people and he was calling for a signal zero on the radio and his inner aggressive seemed to come out to protect him and he realized that there's no way one could remain touchy feely at all times (before his experience he was a huge critique of police officers and their mentalities.).

[emtcater]

Clark County Nevada (Las Vegas) uses 4-4-4 (Officer needs assistance NOW)