One of the victims in the triple homicide called 911 the night of the killings, the Orange County Sheriff's Office said Thursday.

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One of the victims in the triple homicide called 911 the night of the killings, the Orange County Sheriff's Office said Thursday.Video: Deputies name persons of interest in triple homicide investigation Sheriff Jerry Demings has launched an internal investigation into the handling of the calls after deputies learned that one of the two 911 calls made that night came from one of the three people killed.The victims, who were transients, are 65-year-old Richard Button, 57-year-old Todd Lemme and 54-year-old Deborah Watson, according to the Sheriff's Office.Deputies did not say which victim made the emergency call.Around 3:30 p.m. Tuesday, deputies announced they were looking for two persons of interest in the case, 47-year-old Leonard Scott Lewis and 60-year-old David T. Emmons.Emmons was found east of Curry Ford Road and Chickasaw Trail on Thursday afternoon, according to the Orange County Sheriff's Office. Emmons, who was questioned and released, is no longer considered a person of interest, deputies said.Deputies are still trying to locate the other person of interest."The victims were comfortable with whoever murdered them. It doesn't appear there was a forced entry," said Sheriff's Office Spokeswoman Jane Watrel. "It doesn't appear it was a scary scene for them. They had some sort of knowledge of who killed them."Video: Search for persons of interests in triple murder continues A man walking his dog Tuesday morning discovered the bodies of two men and a woman in a shed off Curry Ford Road and Excalibur Drive."I don't know who in the world would do something like that," said Charlie Orr, a friend of the victims.Orr said he used to go fishing with one of the victims and would buy them groceries. He said the three of them had been living in the woods for several years."They're the nicest, friendliest that I've known. There were no drugs. There was not any of that around," he said.Video: Neighbors say site of triple homicide has been popular party spotDeputies said it is unclear how long they had been dead.The Orlando Union Rescue Mission told WESH 2 that the three victims and the two persons of interest have not stayed there in the past three years. The Coalition for the Homeless could not provide records.Button's friend, Colleen Fitzgerald, set up a fundraising account online to raise money for funeral expenses for the three victims; view it here.She is also organizing a vigil on Tuesday night at Hospitality Church at 8287 Curry Ford Rd. The vigil starts at 6:30 p.m. with a prayer. Attendees are asked to bring a non-perishable food item, which be donated to the Mission Rescue."I wanted to do this in their memories and to try to give some closure," Fitzgerald said. "But also to let them know how much they were loved and will be missed."Images: Deputies investigate three people shot in head in shed