PATCHOGUE - Officials say an arrest has been made in the murder of a homeless Vietnam veteran that happened outside a Patchogue church.

Police tell News 12 they have arrested Thomas Lamartina, 30, and say he is the person who killed Nicholas MacQueen. Lamartina is also homeless, police say.

As News 12 has reported, MacQueen was found dead outside the Emanuel Lutheran Church and school on East Main Street last month. The church’s pastor says the victim had recently began attending services and was known to parishioners.

Police say there was evidence at the scene that linked Lamartina to the murder. They were unable to track him down until his girlfriend called 911 after getting into a fight with Lamartina in the woods near Horseblock and Old Dock roads in Yaphank.

According to police, Lamartina's girlfriend identified him to authorities. He was then arrested and charged second-degree murder in connection with MacQueen's death.

Police say Lamartina had an argument with MacQueen and killed him by hitting him in the head with paving stones found at the church.

Authorities say details surrounding the evidence found at the crime scene and the alleged motive will be revealed at Lamartina's arraignment Tuesday at First District Court in Central Islip.