QUOTE(EmilPags (Offsite Developer Quotes III))
Hell, you could totally pick the target's pocket, steal his house key, and then wait inside his own home Mafia hitman style and then whack him there.

Looks like we definitely can do these things... although the NPC's shouldn't have to eat in order to live since they (or the player) don't lose health over time if they don't eat. It's probably merely a Radiant AI requirement that they seek out food at certain times of the day.