Cash App complaint: Stolen Mother’s Day

I sent $50 to my mother on Mother’s Day an hour and a half later my brother sent me 50 for Mother’s Day but I did not cash out the 50 he sent me in the day that I went to go cash it out which was four days later once I press it it disappeared completely from the account it took them two weeks to say that when I sent my mother 50 I have $50 balance which even did out I sent $50 to my mother on Mother’s Day an hour and a half later my brother sent me 50 for Mother’s Day but I did not cash out the 50 he sent me in the day that I went to go cash it out which was four days later once I press it it disappeared completely from the account it took them two weeks to say that when I sent my mother 50 I have $50 balance which even it out but as I told them how when I did not have a balance on my cash app and I do not use the card I use my bank account and no where do they see I even cash it out or it was sent to me I have screenshots