TAMPA, Fla. – Tampa Police are seeking the public’s help in locating a missing man who may be in need of assistance. 53-year-old Stephen Johnson was last seen early this morning in the 300 block of Channelside Walk Way. His family is concerned for his well-being, prompting the issuance of a Purple Alert. READ: Contractor Killed In Dispute At St. Petersburg Construction Site; Shooting Deemed Justifiable Homicide Johnson is described as a white male, approximately 5’11” tall and weighing 200 pounds. He was last seen wearing a blue shirt with yellow stripes and brown shorts. He may be driving a s…