An 18-year-old man, identified as Devonta Tremaine Washington Jr., is facing a slew of charges following the fatal shooting of a 17-year-old during a botched armed robbery attempt in Winter Haven. The Winter Haven Police Department states that the incident occurred at the Abbey Lane Apartments on Monday at roughly 1 p.m., where Washington and the now-deceased teen attempted to purchase a cellphone from an 18-year-old driver, WFLA reports…