(Las Vegas, NV) – A man police say is responsible for three armed robberies outside local banks in the southeast valley is still at large. Authorities say the man used a knife to take money from victims using ATM machines in February and March. No one has been hurt, but police want to catch the suspect before he strikes again. He’s described as a black male in his late 20′s or early 30′s, 180 pounds, wearing a black ski mask and gloves. If you have any information, call Metro Police or Crime Stoppers at 385-5555.