Amer. Bank, 02/15/68: Detectives search for clues following a robbery at the American Bank and Trust Co. On the morning of February 15, a gunman came up behind bank employee Irene Heine as she approached the bank door. Upon entering, he instructed her to tape the wrists of two other employees. The robber then directed her to follow him to the vault, which had opened via timeclock just minutes beforehand. After collecting $23,000, the assailant ordered Heine into her car, driving away before pushing her out of the vehicle two blocks away from the bank. Authorities found the abandoned car a few more blocks away. The bank robbery was Houston's twelfth in 14 months, third in nine days, and second in less than 24 hours.