A Wimauma man is dead after an early Saturday morning hit and run crash. At approximately 4:45 A.M. 45- year-old Juan Heredia was laying on Maggie Dr. north of SR 674.  He was struck by an unknown vehicle which was headed north on Maggie Drive. Heredia suffered head injuries and expired at TGH. The victim was carrying drug paraphernalia, and toxicology is pending. There is no vehicle description and the investigation continues.