The Martin County Sheriff's Office announced the arrest of 26-year-old Trayvon D. Jackson in connection with the fatal shooting of 18-year-old Dylan McKelvey.
McKelvey, the grandson of Monster.com founder Andrew McKelvey, was Martin County's first homicide of 2014.
His body was found in a field in Indiantown on March 5th.
Detectives questioned Travyvon D. Jackson who also goes by the nickname "Lil Su Rabbit."
Deputies say Jackson confessed to shooting and killing McKelvey during an argument on March 5 and leaving his body in Indiantown.
Jackson is being held in the Martin County Jail. He was denied body.