don't know if this is the right forum but here's the situation. I share joint custody of my 2 year old son with his mom and things have been civil for the most part between us. Well for about the last month or so she's been kinda sketchy, calling me 5 hours after she is supposed to pick him up to say she is stuck on the other side of town and can i keep him over night again, asking for extra money besides my child support, saying that he needs new clothes because some of his got ruined in the washer. I didnt think too much of it until last thursday i went to a mutual friend of our BBQ and saw her doing lines of coke on the couch. Needless to say i flipped the fuck out. She starts crying saying she's just been depressed lately and would never had done it except the fact that our son was spending the week at his grandmothers in Havasu. I try to give her the benefit of the doubt and just tell her i'm not gonna do anything but if i even hear about it again i'm calling the cops and going for full custody. Well it's now monday and she just hit me up saying he's outta diapers and asked if i had $20 or $40 i could bum her. I wanna have her drug tested but i don't know how long they can trace coke in someone's system...any help Cliffnotes: caught son's mom doing coke 4 days ago, believe she is using on the regular now, how long can a drug test detect cocaine in a person?