Visitation

Can I go to court for visitation rights with my grandchildren?
My son and I don’t really share a good relationship. He doesn’t even let me see his kids. I do miss having my grandchildren around sometimes. Can I go to court for this? Please advise.
Can a convicted murderer gain visitation rights with his child?
My brother-in-law was convicted of murder in the first degree for killing my sister. Now he has requested the court to grant him visitation rights with respect to his 10-year-old son who at present lives with us. I do not want my sister’s son to meet my brother-in-law, as I think that might have an adverse effect on his mental growth and development. Can the court decide in my brother-in-law’s favor in the custody case?
Can I change visitation arrangements in Wyoming for a Colorado custody order?
I reside in Wyoming. I obtained an order for child custody from Colorado. Now I want to make certain changes in the visitation arrangements. Is it possible for me to get a changed visitation plan in Wyoming?
How can I gain equal custody rights in Oklahoma?
I reside in Oklahoma. My 5-year-old son’s custody is with his mother and I have only visitation rights. I would like to have an equal share in the rights and responsibilities towards my son. What is the remedy available for me in this regard?
What can I do if my visitation rights are denied in Maryland?
I reside in Maryland. I have visitation rights of my two children who are in the custody of my wife. But my wife is denying my rights. She took the children to another place and I do not have access to them. In this situation, I want to make changes in the custody rights. Is there any remedy available to me in this regard?