Good evening. We're told 72-year-old Hubert Allen left a suicide note ... naming all off the people he planned to kill. According to the Sheriff .. 5 names were on that list ..but he only shot 4...before turning the gun on himself. The name of that fifth person - is NOT being released. It all started Saturday morning in Lake Butler... When police say Allen shot three people at Marvin Pritchett's farm .... killing two people, including the 80-year-old Pritchett. Authorities say he then drove to the headquarters for Pritchett Trucking and shot another former co-worker... Before taking his own life at his home. Channel 4's Tarik Minor joins us LIVE in Union County At Pritchett's Trucking -- where all of the victims once worked with Allen. Tarik. 3 3 3 :00-:05:19-:231:21-1:25The motive behind the murders are still a mystery according to investigators in the small community of Lake Butler. But investigators say the gunman Hubert Allen left behind a vital piece of evidence, that reveals, the murders were premeditated. 10;33:05"we on saturday afternoon, recovered a note from the hubert allen residence, and it established some facts for us, in the note, he indicated he was going to harm the individuals he did shoot."Allen's1st victim was former co-worker Rolando Delgado, who was working on a farm owned by Allens former boss. Allen's second target was Marvin Pritchett - a man Allen worked for for 35 years who was also shot at his farm.Allen would later shoot coworkers David Griffis, and Lewis Mabrey, before turning the gun on himself at his house. Investigators say they found an aresenal of weapons, including a rifle, shotgun and handgun, and there was one other person, who he intended on murdering. .10:35:32"there was one other target indicated in that letter, and we interviewed him, he was fine."The sheriff says the suicide note investigators found here at Allen's house wasn't addressed to anyone in particular, but the note was written on at least three separate occasions.10:27:34"it was very shocking that he was involved in it, he was just your home town boy."Lake Butler Mayor Lonnie Norman says he knew Hubert Allen well and never suspected he'd be capable of murder, and suicide. 10:26:07"it's a shock, we don't deal with stuff like this on a regular basis like the bigger cities, so it's like family, your effected." 3 Tarik .. this fifth person named in the note .. does the sheriff's office have any idea why that person was not also shot?