KEYY: boyfriend:mike girlfriend:kathy baby:joe

okay, can anyone help me. now my moms friends son is a alcoholic. when mike(the son) gets drunk mike gets mean. now mike and Kathy idk. but mike abuses her. so saturday night mike got really drunk and gave kathy a black eye and in that act “accidently” hit there 8 month old baby boy joe. they stayed with us for 2 days. today she was supose to go to her friends house to live with her untill the court day or going back home. well around 6:30pm. a guy she though was her friend came to pick her up to go to her friends house. but instead of taking her there he took her to mikes house. we called kathy to see if she was okay at the time she was, she said she was. so we went to the house just to make sure. and kathy and her so called friend were sitting on the porch. we got back home and realized we had her phone charger. so we called her and she said shed me by with her friends boyfriend to pick it up around 10. well at 10:03 i texted kathy and asked if she was still coming to get her charger. she never answered the text. then 10:23 rolled around and my mom decided to call her and tell her that she was about to go to sleep and that kathy needed to come and pick up her charger. she never answer. then my mom called kathy again and it went right to voicemail. at this time we were really worried. so we decided to go to mikes house to see of they were still there, well they park in the back so my brother went back there to see if the cars were there. mikes car was and also the friends. he came back and told us. then as we were heading to the end of the street mikes mom showed up. and turned into mikes drive way. she saw us and my brother walking the oppisite way as us. at this time we called 911. the police came and just went upto the door and knocked. thats it! the didnt answer. ofcourse not they know the police are there and mike and kathy arent supose to have contact. btw kathy has full custody of joe. we called the state police, the city police, child services, the magistrait what else can we do we are in fear of kathy and joes life. he has threatend to hurt joe before to get back at kathy. PLEASE HELP!