Cassius Lorenzo Collins, 21, is charged with burglary with intent to commit aggravated assault. It is a first degree felony.
According to the affidavit, Collins stabbed Angela Lara 14 times, and also cut off part of one of her ears. It was later recovered in a bedroom.
The affidavit stated that Collins was upset because Lara would not allow him to see his child, who is her grandson. Police said Wednesday there was a family connection between the victim and the suspect.
Lara was hospitalized for her injuries. When Collins was arrested, he was said to have wounds on his hands and arms from a knife.
His bond was set at $75,000.
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