Wickedness: Teenage Girl Sends Mom Scary E-Mail, Then Stabs Her 79 Times To Death

18-year old Isabella Guzman from Colorado is being held by police on counts of 1st degree murder after stabbing her mother 79 times till she died.
NewsDay reports that Guzman was being held on suspicion of first-degree murder on Friday in the death of 47-year-old Yun-Mi Hoy.
According to an arrest affidavit, Hoy’s husband told police that Isabella attacked his wife in their upstairs bathroom Wednesday night. He said Isabella then walked out past him, staring straight ahead and holding a knife.
Hoy called police to her home earlier that day because of Isabella’s behavior. Officers warned Isabella that her mother could throw her out of the home.
The teen’s father, Robert Guzman, told Denver’s KMGH-TV that he had counseled his daughter at her mother’s request hours before the killing.