Fater and school violated court order and picked up our son on his off day police was called.. son was returned officer had drug test in hand for me

Father picked up our son from school on a off day from his court order day.. school aloud father to take child even tho the school. Father any myself have a copy of the order... after father called and said i took our son and he was not bringing him home or back to school i called the school and she admitted seeing and giving the ok for father and child leave but could not say why they violated the court order knowing a copy is on hand and telling them face to face what day is aloud for pick up by both parents more than once ... i contacted the police and explained the situation provited a copy of the order... the officer could not reach the father by phone so i provied fathers address and officer drove to his house.... no call from officer so i got ready for work... as i was getting out of the shower my son was at my door and officer and father was in my driveway the father said to me your going to take a drug test as the officer was walking up to my door with a drug screen