prowled

To rove over, through, or about in a stealthy manner; especially, to search in, as for prey or booty.

“It's tough to sneak vandalism into Wikipedia as there are plenty of other users prowling the Recent Changes page.”

To idle; to go about aimlessly.

“That dandy has nothing better to do than prowl around town all day in his pinstripe suit.”

To collect by plunder.

“to prowl money”