State Police released the official cause of death for the man accused of shooting and killing four people in Herkimer and Mohawk. Kurt Myers, 64, died from multiple gunshot wounds. But other major questions still linger. The biggest one: Why? As our Andrew Sorensen tells us, State Police investigators are concerned they may never know.

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MOHAWK, N.Y. -- In a village where everyone knows everyone, last week's events were doubly shocking.

Traci Randall, her six kids and a grandchild live next door to the house police believe Kurt Myers intentionally set on fire.

"Very eerie to think that we lived next to him for four years," she said. "I'm just scared now that I think about what could have been."

After Myers allegedly went on to shoot six people, killing four, police investigators wanted to talk to neighbors. But after four years, the Randalls didn't know a thing about him.

"We tried to say, 'Hi,' to him like you would a neighbor, like we speak to all of our neighbors, but no. He kind of just put his hat down and went on his business," she explained.

That's the problem police are having. Senior Investigator Timothy Blaise has hasn't seen a case like this in 17 years.

"This one's unusual to a point where, like I said before, it's unusual that nobody knows this guy," Blaise said.

They've gone after 300 leads looking for someone who might know anything.

"But at this point, we haven't found anybody like that," Blaise said.

Three hundred may sound like a lot of leads, but police say they'd expect a whole lot more at this point in their investigation. And the ones that have come in have only given them a very limited picture of who Myers was.

"Most of the people who knew him and have called us, know him from years ago. There are very few people that have contacted us that have had any recent contact with him," Blaise said.

They know he grew up in the area of Barnveld and Ava.

"We know he went to college at Fulton-Montgomery Community College in Fulton County. We know he attended a college in Maine briefly. We know he worked at a place called Knowlton Nonwovens up on Bleecker Street in Utica," said Blaise.

Since 2006, they say he's been a loner, maxing out credit cards to get by.

Blaise said, "We know that he would go into places and sit around and listen to conversations. We have an indication that he would become upset if the conversation was about something he didn't agree with."

But Blaise said the victims' families deserve to know exactly why Myers snapped, so they'll keep looking. State Police say nothing in Myers’ apartment or on his body when police shot him left any clues as to what he was thinking. They are looking into leads that could come from his cell phone, but that could take weeks.

In the meantime, investigators are looking for anyone who might know anything about Myers. You can call them at (315) 866-7275.