Jurors on Friday found Amanda Bacon, 26, guilty of murder and child endangering. She was cleared of an aggravated murder charge.
Bacon testified during the trial that her roommate was the one who injured the baby. She also said her roommate had forced her to prostitute herself.
But her roommate testified he saw Bacon throw her son, Avery, to the floor in December 2012.
Prosecutors said she bashed the baby’s head, fracturing his skull so severely that he died two days later at the University of Michigan hospital.