Hummelstown , Pennsylvania police Officer Lisa J Mearkle charged with criminal homicide on February 2 . Prosecutors say she shot dead 59-year-old David Kassick in the back while he was laying facedown on the ground and did not present a threat . Mearkle tried pulling Kassick over for an expired inspection sticker on Tuesday but he took off . He eventually exited his car and ran before being ordered onto the ground by Mearkle - who she shot with a stun gun . While she was trying to remove the taser stickers , Mearkle says she thought she saw Kassick reach into his jacket for a gun and she shot . Kassick was unarmed ; his family say he struggled with addiction but was non-violent .
Hummelstown , Pennsylvania police Officer Lisa J Mearkle charged with criminal homicide on Tuesday . Prosecutors say she shot dead 59-year-old David Kassick in the back while he was laying facedown on the ground and did not present a threat . Mearkle tried pulling Kassick over for an expired inspection sticker on February 2 but he took off . He eventually exited his car and ran before being ordered onto the ground by Mearkle - who she shot with a stun gun . While she was trying to remove the taser stickers , Mearkle says she thought she saw Kassick reach into his jacket for a gun and she shot . Kassick was unarmed ; his family say he struggled with addiction but was non-violent .