I personally give them like 4-5 seconds if they don't seem willing to respond just gun them down, also if the reason they gave is bullshit and/or you know without any reasonable doubt that they are lying you can still kill them.

I personally give them like 4-5 seconds if they don't seem willing to respond just gun them down, also if the reason they gave is bullshit and/or you know without any reasonable doubt that they are lying you can still kill them.