Can the custodial parent change phone numbers and create fake identities online to come in between mother and son?

Yes, a custodial parent can change phone numbers and create fake identities online, which could interfere with communication between a mother and her son. However, such actions could be considered manipulative or harmful, potentially leading to legal consequences. It's essential to prioritize the child's well-being and maintain open, honest communication between parents. If there are concerns about interference, it may be advisable to seek legal guidance.