Overview
- Officers responded to a 911 call about a person with a knife at a River Road home around 5:30 p.m. Monday.
- Police say Tasers failed to stop the suspect, who charged at them with a blade, before he was fatally shot.
- Investigators then found three people dead inside the residence, now believed to be the man's mother and grandparents.
- The Middlesex County Prosecutor's Office and the New Jersey Attorney General's Office are conducting parallel probes of the homicides and the police use of force.
- Authorities have not released any names, describe the case as isolated with no ongoing threat, and sources have characterized the weapon as a machete.