Police say a man is dead after breaking into a home and stabbing a mother and her son.
The incident happened in Alpena Township earlier this morning.
Officers say the man left the scene after the stabbing and they found him driving in Montmerency County.
Police tried to pull him over but they say the suspect rammed his vehicle into an oncoming semi truck and died.
The man had a long criminal history including sexual assault.
The truck driver was not injured.
The mother and the son were taken to the hospital for multiple stab wounds and their condition is unknown.