By Justin Finch

PHILADELPHIA (CBS) — A day after the body of Bradley Stone was found in the woods of Pennsburg, those who knew him struggled to understand what drove him to take his life, and, authorities said, the lives of his ex-wife, and five of her family members.

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“Something must of made him snap,” said John Gillmer, commander of the American Legion William E. Hare Post 206 in Lansdale.

Gillmer first met Stone there about 10 years ago, when Stone helped manage the Post’s bar hall. He told Eyewitness News that Stone was soft-spoken was well-liked. Gillmer also remembered Stone being fiercely private, and rarely spoke about his personal life.

Stone’s Marine colleague Adam Perone said he saw much more.

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“When we were doing our work on the first five months in Iraq, he would actually pull over on the highway and yell on his phone,” recalled Perone, a former Marine who served who served under Stone. “Him and his ex-wife would go back and forth yelling at each other. This happened multiple times. It was one of the more uncomfortable things to be in the car with him,” Perone recalled in an interview with CBS News.

Perone said Stone was locked into an ongoing custody dispute with his ex-wife, Nicole Hill, over their two daughters. He said the last time he saw Stone, he appeared to be grappling with Post Traumatic Stress Disorder.

“When I saw him 2011 he was drinking, he had different prescriptions for anti-depressants,” Perone said.

Three years later, the Montgomery County District Attorney’s Office would identify Stone as the man who killed Hill, and five members of her family  in the communities of Lansdale, Lower Salford and Souderton early Monday morning. Before taking his own life, authorities said he left his two daughters he and Hill fought over in the care of neighbors.

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