Six-Year-Old Killed by Man Allegedly on PCP

Twelve-year-old sister in critical condition

The boy was 6 years old, just about to start the new school year; his sister had just turned 12.

And early on her birthday Sunday in Camden, N.J., police say, 31-year-old Osvaldo Rivera got high on PCP and marijuana, broke into their home and cut their throats, killing the boy and leaving his sister in critical condition.

It's the latest shocking murder for a town that saw the grisly beheading of a 2-year-old boy two weeks ago. On Aug. 22, police say, 33-year-old Chevonne Thomas decapitated her toddler son, Zahree, put his head in a refrigerator and then killed herself with a knife.