Catholic Central Student in Critical Condition, Father Killed in Domestic Assault

Tucker Cipriano, 19, and a friend are now in custody in connection with the beating death of , as well as an assault on Tucker's mother and one of his 17-year-old twin brothers, Salvatore (Sal), in Farmington Hills this morning. 

The other 17-year-old brother, Tanner, and an 8-year-old sister, who were both in the house at the time of the attack, escaped injury. 

Both of the assault victims, Farmington Hills Police Chief Chuck Nebus said, are "fighting for their lives" at . 

The twin brothers are both students at .

Nebus said the 17-year-old who was not injured made the 9-1-1 call, which came in to police at 2:48 a.m. Nebus said the 8-year-old was able to open the door so that officers could get into the house and arrest the suspect.

Tucker Cipriano, who Nebus said was adopted and had not been living in the home, left the scene in a 2002 Ford Ranger pickup and was later arrested in Keego Harbor. Nebus said Cipriano was there with a friend, who is also being questioned. 

say that Tucker Cipriano has a past that involves drugs. 

"(Tucker Robert Cipriano) is not a stranger to us," Nebus said. "He does have a past that involves some drug history, and it's possible they broke into the house looking for money."

Police are in the process of obtaining a warrant to search the home on Rose Hill Drive, which has taken some time because the homeowners are not able to give consent, Nebus said. He expects evidence technicians will be in the house this afternoon and anticipates arraignment of the suspects will take place tomorrow.

The two Cipriano children who were not injured were taken to Farmington Hills Police Dept. and are now with other family members, Nebus said. 

This is a developing story.