I just read this on my Google News thread. I wonder why he was living under an assumed name. Was he on the run?
I am new to this case, so I can't answer that.

There's a few more details in the article below. MOO
Robert Hoagland, who was missing from Newtown since 2013, was found dead in New York...
www.ctinsider.com
[...]
There were no signs of foul play. Hoagland's roommate called 911 about 3 p.m. Monday, saying the former Newtown resident was experiencing a medical emergency, according to Undersheriff Eric Chaboty, of the Sullivan County Sheriff's Office. The roommate knew Hoagland as Richard King, Chaboty said.
[...]
Hoagland did not get in trouble with the law in Rock Hill, which is a hamlet in the town of Thompson, Chaboty said. The town, which has a population of about 17,000, sits at the base of the Catskill Mountains.
“He was living under the radar,” he said. The precise cause of Hoagland's death is pending further study by the coroner's office.
[...]
... “The police department does not plan to release any further information as there was no criminal aspect to Robert Hoagland's disappearance.”
Asked why Hoagland was in Rock Hill, Chaboty said, "That's a great mystery."