Walk Random?

I was wondering, considering I’m going to try and do this gamemode where you are police, I was wondering if there is a way to make a NPC just walk in random directions? I’m wondering because I want to make it so that there are pedestrians and stuff.

Code an snpc and make a schedule for it

You wonder and consider too much.

On-topic: http://wiki.garrysmod.com/?title=Basic_Scripted_NPC