...or to the airport express bus driver. Two or three r/t to the airport would make evil mom freak.
On a more serious note, if evil mom is really doing this, she might be scheming against dad. He should be very careful about communicating with the kid, particularly with email. There is software that can spy on the kid's emails and forward everything to mom.
See:
Computer and Internet Monitoring Software
Dad needs to tread carefully.