The specific situation is still unknown. However, the loan tracking can also show that the money came from your mother's name The other party's source of funds is your mother! This is an important evidence chain, and then you can combine some lenders' transfer records and related information to obtain evidence!
It is recommended to hire a lawyer to safeguard the legitimate rights and interests. In this case, if you only take the examination of the public security department, I am afraid the risk is not small. Or a professional legal person, can give you more good advice and legal help!
Step by step, try to calm your family's emotions, and don't fall into too pessimistic mood because of the troubles that have happened. Once you get sick, you will be busy at both ends, and some things will be too busy to attend to. Don't be afraid of problems, try to solve them. If you can't solve it yourself, ask a professional for help. Really not, you can apply for legal aid!