“They were in business together, in two businesses, that’s motive number one,” he said.

MYSTERY OF TECH CEO FOUND SHOT DEAD, FAMILY KILLED IN MANSION FIRE DEEPENS

Keith and Paul Caneiro were partners at a technology firm in Asbury Park called Square One. All four members of Keith Caniero’s family were “victims of homicidal violence,” the prosecutor said, adding that there was no indication of suicide.

Residents in Colts Neck came together Wednesday night on the steps of town hall in remembrance of the family, NJ.com reported.

In this image made from a video provided by WABC firefighters battle a fatal fire on Tuesday, Nov. 20, 2018, in Colts Neck, N.J.

In this image made from a video provided by WABC firefighters battle a fatal fire on Tuesday, Nov. 20, 2018, in Colts Neck, N.J. (WABC via AP)

Mayor JP Bartolomeo told the crowd gathered for the candlelight vigil that the Caneiros would be seen in town attending school sporting events or at local stores, and were well known.

“I’d be lying if I stood here and told you this was easy,” he told the crowd. “We lost four really nice people from our community, who I happened to be friends with, who my boys were friends with.”

Firefighters carry a stretcher to the scene of a fatal fire at 15 Willow Brook Rd. Tuesday, Nov. 20, 2018, in Colts Neck,N.J.

Firefighters carry a stretcher to the scene of a fatal fire at 15 Willow Brook Rd. Tuesday, Nov. 20, 2018, in Colts Neck,N.J.(AP Photo/Noah K. Murray)

Colts Neck, about 50 miles south of New York City, is home to a number of celebrities, including Bruce Springsteen. Former “Daily Show” host Jon Stewart and his wife operate an animal sanctuary there. Queen Latifah sold her mansion there in 2015. Current and former members of the band Bon Jovi have also called it home.

The Associated Press contributed to this report.