A man wanted for murder in Mexico was picked up by MSU police Saturday.MSU police Officer Lorrie Bates thought she was making a routine stop when she approached someone who appeared to be a vagrant at roughly 11:30 a.m. Saturday in MSU's university apartments' construction site near Harrison Avenue and Kalamazoo Street."He didn't look like he belonged there," Bates said. "He wasn't wearing regular shoes, and the ground was muddy, and he wasn't wearing a hard hat or anything like that. He just didn't look like he was working."The 37-year-old man, whose name is not being released, presented a driver's license with a Lansing address. He had several warrants out for his arrest and was initially picked up for trying to conceal his identity, said MSU police Sgt. Paul Kuchek.When Bates ran a fingerprint check at about 4 p.m. Saturday, she discovered there was a warrant for his arrest in connection to a murder in Mexico. She turned the man over to the Immigration and Naturalization Service.The man is being held in Lansing's jail until he can be picked up by INS, Bates said."I just thought it would be a routine stop," Bates said. "We see vagrants a lot on campus, picking up cans and everything else. This was a male I hadn't seen before."An MSU student was injured after an argument about an ex-girlfriend escalated to violence early Saturday morning in Wonders Hall.The 19-year-old student got into an argument with a male nonstudent from Mason at about 3:35 a.m. The Mason resident began punching the student in the face. A 17-year-old girl from Battle Creek was injured when she tried to break up the fight, and the nonstudent began punching her, Kuchek said.The student and the girl suffered minor facial injuries, Kuchek said.Both victims were treated and released from Sparrow Hospital in Lansing.The nonstudent was arrested for assault and battery, and minor in possession by consumption, Kuchek said.Kristyn Peterson