Benjamin DiChristina has been arraigned on a murder charge after he stabbed his father who died days after the attack.
The 25-year-old Massachusetts man attacked his parents, on Oct.4 in their Acton home, causing the death of the father John DiChristina, 57, after he fatally stabbed him. He was initially charged with armed assault with intent to murder, but the charge upgraded after the victim's death days after the attack.
DiChristina pleaded not guilty of the charges and the judge has ordered him Thursday to be held without bail. The suspect has reportedly a history of mental health issues, he was assessed and released from the hospital just before the crime.