ok im good now tried using the aim on mouse instead of xbox 360 controller for pc. Thx guys for trying to help should have mentioned me using that controller at first huh.
I looked at the keys by using shift+tab and did what it said. When i choose to ask the suspect get out of the car he/she walks 20ft away from the car I draw pistol use lmb on xbox pc control to lock on subject and press 'E' and it still does nothing what else am i doing wrong?