Who called from 3122569976

What name or business and what type of business is associated with the phone number (312)256-9976

My sister received a call from Detective Mark Grace from this number looking for me. The number is for allegiance telecom, inc.

Person is calling threatening making accusations of worthless checks.

i got a call also today from that guy he said i was a person of interest in a federal crime .. he asked me if i knew a jasmine velez

I got a call several month ago and he told me the same thing but he was using a different name.  Victor Hernandez