In this screen grab from a video released by the Maricopa County Sheriff’s Office, 31-year-old Thomas Brown is shown after his arrest. Maricopa County Sheriff’s Office(MARICOPA COUNTY, Ariz.) — A suspect has now been arrested after two teenagers were found fatally shot in May on an isolated hiking trail in Arizona, according to the Maricopa County Sheriff’s Office. The sheriff’s office said Thomas Brown, 31, has been arrested on two counts of first-degree murder in the killings on Mount Ord, a popular remote hiking and camping area. “What a senseless, violent act, the murder of two young teenagers while out camping,” Maricopa County Sheriff Jerry Sheridan said at a press conference Friday. “In that campsite, they noticed conditions that suggested there was evidence of something being dragged away from that camp area.