A man breaks into your house and you accidently kill him... should u be charged with murder?

it is 2 in the morning and you hear sounds in your basement. you go downstairs and see the guy, he doesnt see you. You call the cops and go back in the basement. for some reason, you decide to scare the guy. You throw a baseball your grandpas huge clock. a wood chips off the clock and stabs the theif in the throat. you rush down to help the guy. The ambulance comes and he is rushed to the hospital. the theif dies of suffocation... should man be penalized and charged with murder?