Jared Remy, the son of Boston Red Sox broadcaster Jerry Remy, was ordered held without bail Friday, charged with the brutal murder of his girlfriend in Waltham.
Remy, 34, pleaded not guilty at his arraignment in Waltham District Court on murder and assault and battery charges in the death of 27-year-old Jennifer Martel.
According to WBZ-TV’s Karen Anderson, Remy came into court looking angry and showed no remorse as Prosecutor Lisa McGovern revealed grisly details about the attack.

Police were called to a home on Stearns Hill Road in the Windsor Village apartment complex around 9 p.m. Thursday for a report of a person stabbed.

Investigators say there was a long, protracted struggle in Remy’s townhouse that went through the kitchen, stairs, living room and outside onto the patio.

Several people who heard the fight called 911.

Witnesses told officers they saw Remy on the patio stabbing Martel repeatedly with a knife. One person tried to help break up the struggle, but Remy allegedly swung the knife at him.

McGovern said Remy was covered in blood when police arrived at the scene. According to court documents, he also had a diamond ring in a sunglasses case. The couple reportedly got engaged in 2009 and had been together for seven years.

Remy’s attorney claimed cuts on Remy’s head and hands were “defensive wounds.”

According to the police report, Martel, who wa.