A Harris County jury will return to the courtroom on Thursday in the sentencing phase against William David Kelley. He was convicted on Tuesday on a charge of "failure to register as a sex offender."
Twenty-two years ago, Kelley attacked a real estate agent named Pam Lychner, who was saved by her husband Joe.
"I believe that he tried to rape and murder her," said Joe Lychner. "And we were very lucky. We were lucky that I was there to be able to stop it and to rescue her from that fate."
Kelley served 20 years in prison for the crime.
Pam Lychner went on to start a victims' rights group called Justice for All.
She and the couple's two daughters were killed in 1996, when TWA Flight 800 exploded shortly after take-off outside New York. Investigators blamed a malfunction in the fuel tank, possibly caused by wiring that had short-circuited.
Just months after William David Kelley was released in 2010, officials say he stopped complying with a law requiring him to register as a sex offender and make his whereabouts known to law enforcement.
His punishment for that crime could be even tougher than the two decades he served for the original attack.
"It's my understanding the state is seeking anywhere from 25 years to life, which would probably be the lengthiest sentence ever recorded in Harris County for ‘failure to register,'" said City of Houston victims' advocate Andy Kahan.
Ironically, a federal law requiring the FBI to track sex offenders is named after Pam Lychner.