Big Damn Heroes
Kelvan was the man initially in custody of Trisha when she was brought aboard the ship. While he initially attempted to pass himself off as the guardian of a traumatized child, it was later discover that he had been keeping her drugged to remain docile.
When his perfidy was uncovered, Kelvan severed Trisha’s arm in an attempt to escape with the case to which it was attacked. He was cut down by the crew.