By outside appearances, things were great: The woman reportedly killed in Sunday's six-hour standoff in Warren called her fiancee "amazing" and her life "complete" in a recent Facebook post.

Citing friends and family and an unnamed official, NJ.com has identified the gunman as John Reno and the victims as his fiancée, Heidi Errickson, and her brother, Frederick Errickson.

The Somerset County Prosecutor's Office had not confirmed the identities of those involved when they were first reported by NJ.com — but released more information on the incident later Monday.

My life is so complete I have a great kid that I absolutely adore. My fiancé John Reno is amazing. Who could of thought life could be this amazing again !!!! Dreams do come true it's all good !!

Posted by Heidi Lynn on Sunday, August 2, 2015

The post is the only recent reference to Reno in Heidi Lynn Errickson's publicly viewable Facebook page. 

MyCentralJersey.com reports Heidi Lynn Errickson worked part-time for the Warren School District, which posted a notice to "address Sunday's shooting incident." The district is offering counseling on Monday and Tuesday for staff, parents and students with members of the Somerset County Traumatic Loss Coalition.

It said she was a widow, having lost her arm in an accident that also killed her then-husband.

The Somerset County Prosecutor’s Office has said the man who had barricaded himself inside the Mount Horeb Road home in Warren around 1 p.m. Sunday killed a man and a woman before fatally shooting himself. The area around the Horeb Road home was sealed off as police negotiated with the gunman with a SWAT team on scene.