The Onondaga County Sheriff's Department is investigating a suspicious death in Liverpool. Deputies tell us they arrived at 109 Cleveland Street around 1:00 pm on Monday, and found 39 year old Mark Clark dead. A family member was the one who alerted police about the situation. Neighbors in the area say they heard gun shots early Monday morning. Deputies obtained a warrant to search Clark's home Monday evening. Stay with Action News for the latest information on this developing story.