(Alton, IL) — Police in Alton say a robbery suspect they are looking for has a distinct physical feature. Authorities say the man who held-up a convenience store Wednesday night is missing part of one ear. The robbery happened around 11:30 p.m. at the ‘Hit N Run’ store in the 18-hundred block of Washington. Police have not posted any surveillance pictures of the suspect, but ask anyone who may have information to contact the Alton department.