SPRING ARBOR, JACKSON CO. - A bank is robbed at gunpoint in the small town of Spring Arbor, and police suspect the thief robbed another bank a few weeks ago. The Comerica Bank was robbed shortly after noon on Friday. The thief was wearing a mask, showed a bank employee a handgun and demanded cash. He took the money and left the bank. He left in a purple colored Ford Fusion, southbound on Emerson Road. The car matches the description of a car that was used in the robbery of the Areoquip Credit Union in Blackman Township August 8th.