Model penal code

Michelle and Stacey were roommates. Michelle had a boyfriend named Steve. Stacey did not like Steve very much. She found him to be ignorant and thought he drank too much. Stacey also did not like the way Steve treated Michelle. One night Stacey game back to the apartment and found Steve stabbing Michelle in her chest over and over yelling, “how could you do this to me Michelle, I love you with all my heart, how could you.” Steve was visibly drunk. Stacey walked over to her desk drawer and pulled out a gun and stated, “I have had enough of you Steve.” Stacey shot Steve straight in the heart and he died. Moments later Michelle got to her feet and took the knife Steve was stabbing her with and stabbed Stacey in the chest several times yelling, “I loved him, how dare you.” Discuss the crime(s) Stacey and Michelle would be guilty of using the model penal code