[header] How to find out if someone has been arrested [title] Talk to the person's likely companions. [step] If you know who last was with the person you're trying to find, and have the ability to contact them, try talking to them first. They may be able to give you more information about the person's whereabouts and whether they were arrested. 
[substeps] If you don't know the person's close friends or don't know who was with them most recently, you may have to do a little investigating. Try calling their phone number or any other number you know of a mutual friend.