Bail has been posted for a Slatington woman who was caught by a camera on her son's tablet computer stabbing her husband over the weekend.

Kathleen Sell, 48, is free on bail. She was charged with aggravated assault and simple assault, and initially sent to Lehigh County Prison under $8,000 bail by District Judge Rashid Santiago.The case will be sent to the office of District Judge Rod Beck of Slatington. Sell will have a preliminary hearing before Beck on a date that's yet to be determined.According to an affidavit of probable cause Slatington Police Officer Frank Gnas was dispatched to a house in the 200 block of South Walnut Street at around 8:22 p.m. Sunday for a domestic disturbance involving a knife, according to the affidavit.As Gnas responded to the scene, a young boy was outside on the street flagging him down, the affidavit says.The boy stated, "My mom is going to stab my dad she has a knife."As Gnas entered the residence, he observed both the victim, who was identified as Brian Sell, and the defendant, Kathleen Sell, still arguing.After he separated both parties, Gnas then spoke with both parents and the son, at which time it was determined that Kathleen Sell was the aggressor in the incident.The witness was their son, who is a juvenile.Kathleen Sell punched and pushed Brian Sell several times over an argument about credit card purchases. Kathleen Sell also stabbed Brian Sell once in the left forearm, which created a wound about 1-inch in length.The son recorded segments of the incident on his Samsung Tablet.The tablet's video was viewed in the presence of Brian Sell and his son with their consent.Gnas did observe Kathleen Sell punch Brian Sell through video, and also observed Kathleen Sell brandishing a knife and pointing it at the victim.Gnas then placed Kathleen Sell into custody and transported her back to the Slatington Police Department.Gnas then spoke with the on call District Attorney Robert Schopf, who advised Gnas as to which charges to file.