NEW : The bodies of Sarah and Susan Wolfe -- the sisters of Iowa state Rep. Mary Wolfe -- were found in their basement Friday after officers were sent to the home to check on the well-being of one sister when she did n't show up for work . Each died of a single gunshot wound to the head , medical examiner 's office says . one sisters of Pittsburgh state Rep. Susan Wolfe were found shot to death last week . Iowa police have n't identified a motive for the shootings .
NEW : Each died of a single gunshot wound to the head , medical examiner 's office says . one sisters of Pittsburgh state Rep. Susan Wolfe were found shot to death last week . Iowa police have n't identified a motive for the shootings .