The most important consideration for your kid in picking a roommate is simply finding someone he feels safe and comfortable with. Think logically about what having a roommate means: That person has a key to your kid's place of residence, and he'll often be there when your kid isn't home.
Cohen recommends using BeenVerified to access public records and find out about any criminal convictions. You'll also get a full list of past addresses. "You want to know where they've been and who they are," he says.