What do I need to do?

Get an attorney!

Which (un) married parent would get custody?

Almost sounds like a toss up maybe favoring dad. See an experienced attorney where you live. Not from your state and there's probably more...

Can he lose parenting time?

Maybe instead of the lying, show the living circumstances of where your son is actually at. The court may not deem it appropriate. Consult an...

Selected as the best answer

In missouri does an unmarried mother automatically assume custodial rights? father is in fact on birth certificate. no dna test

Don't about Missouri, but in Ohio yes. It is up to the father to first establish paternity, which here can be by signing the birth certificate....

Can a grandparent be charged with child abuse or assault for biting a child as punishment for biting a sibling that leaves a mar

Probably. Why not speak with speak with an attorney about custody. Support doesn't stop until there's a change of custody.

Biological father of my son is trying to take full custody of our son we are unmarried. He is claiming he was always there.

Assuming paternity has been established, which would change my answer, get an attorney immediately. Yes he stands a chance.

Child Custody

Assuming juvenile court hasn't taken jurisdiction, get an attorney and immediately file in domestic court for custody.

Money judgment in Mass?

No

Social Security Disability - SSDI question

Yes, set it how Ms.Morfa said

Does cps have to do a drug test and back round check on someone before they give custody or can they just give them away

In Ohio it can but I'm sure I understand exactly what you're asking. You need to consult an attorney.