Charges are now filed against Rodney Dickinson.
He's accused of stabbing his mother in her hospital bed Friday morning...
It happened at Methodist Hospital in Merrillville, Indiana.
The incident forced a lock-down.
A large kitchen knife was recovered at the scene.
Soon after, the woman's husband - James Haywood - was found stabbed to death in his home in Gary, Indiana.
No charges for his death have been filed yet.