Police are asking for the public's help finding the person who killed a 37-year-old woman in Tempe.
Tempe police spokesman Michael Pooley said Joann Rotz was found by police in a dirt lot near Rural Road and Apache Boulevard around 1 p.m. on November 21.
Investigators determined Rotz died from trauma to her upper body.
Pooley said police believe Rotz was homeless. Authorities said she was often seen in the company of transients.
The Tempe Police Department is looking for anyone who may have seen Rotz before November 21, or that may have any information related to her death.
Anyone with information is requested to call the Tempe Police Department at 480-350-8311, or Silent Witness at 480-WITNESS (480-948-6377). Silent Witness is offering a $1,000 reward for any information leading to an arrest.