Without knowing all of the facts and circumstances surrounding your qualifications it's hard to answer the question. However obviously the charges against your ex are something that would be Considered by the court in determining who is in the best position to care for the children.
I will be happy to speak with you at no cost with a FREE phone consultation if you have a San Diego or California matter. Please call my office at 619-238-1905 or visit my website at www.lawofficeofwilliamdaley.com
Full custody will not solve your problem. Full custody will only allow you to make all major education, religion and medical decisions for your child without input from the father. What you want is residence with supervised, limited, or no visitation for the father. For that, you need a lawyer's help. Please consult with a seasoned family law practitioner immediately. Until you get a court order in place, be very careful about relinquishing your child to your ex as he might take her. If you are in fear, discuss with your lawyer whether an order o protection would be appropriate.
Right now I would hire a lawyer to get supervised visitation and an order of protection for your son!
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