News: Juelz Santana Gets Arrested

Juelz Santana, the rapper who's collaborated with Chris Brown, Sean Kingston and Cam'ron, was arrested at his home in New Jersey -- after his wife told cops he threatened to kill her!

Cops tell us they showed up at Santana's Teaneck home around 10:30 this morning after his wife called 911.

According to law enforcement sources, James' wife did not need medical assistance -- but she told police the threat was made in front of a child.

The rapper was arrested on domestic charges and is still in police custody.