So I had an old tenant/roommate who decided to not pay rent or utilities anymore, and moved out, unexpectedly, and now owes thousands of dollars. Well his mom, who should know better that he know longer lives here, she keeps forwarding his mail here, and I have sent it back numerous times stating that he no longer lives here. Recently I got his w-2s in the mail, and mailed them back to the original sender, with a lovely (sacasm) note, explaining the situation, and how irresponsible he is. My mom, is worried that my old tenant/roommate (my parents own the house, and I rent it from them, along with other roommates) is going to come over one day, and either harm me, or threat me, or something. I was wondering even if I don't have a "no trespassing" sign, can I still kick him off of my property and threaten to call the cops?