"But Dad..." (Scary)

Kevin silently went up to his room as his mother started screaming at his father. He heard them arguing all the way from his room but he shut the door and playing video games from his computer made him forget about it and make them into background sound. Mark yelled at Molly fully aware she was telling the truth about him seeing other women but denying it to the fullest. Molly continued yelling and finally grabbed her purse and looked at him.
"I'm going now, and i'm taking Kevin. I can't trust you anymore." she hissed.
Out of anger Mark grabbed the pan from the kitchen counter and started beating her on the head till Molly lay motionless on the ground, tears in her eyes. Mark started to panic. What would he say to Kevin? He decied to lie to him. Mark went upstairs and told Kevin to stay in his room so "I could have a talk with your mom." Kevin obayed and stayed in his room. Mark took advantage of the spare time and took Molly out in the backyard to bury her and quickly went inside to clea the blood. He told Kevin to come downstairs and said "Your mother is taking a short trip and will be back soon son." Mark smiled innocently and Kevin nodded. Weeks pasted and he didn't ask about his mother. Mark got extremely anxious and worried so he asked his son about her. Kevin stared at him with a confused expression.
"But Dad...mom is right behind you..." Kevin said.

Mark turned around and Molly stood their grinning directly into his frightned eyes, her eyes as black as night.