The owner of a Casco Township antiques shop is dead following a Wednesday morning shooting. Michigan State Police tell MLive 58-year-old Robert Hill was killed by his 27-year-old stepson at Hill’s home in the 1,100 block of Blue Star Highway. The stepson’s name has not been released, and he gave himself up without incident. The victim’s wife was home at the time, but police say she wasn’t hurt. Police are investigating the circumstances of the shooting. Hill was the owner of Farmhouse Glenn Antique Shop, located on the same property.