and then several seconds later hearing that rapid gunfire. i don't want to speculate as to exactly what those sounds were. i'll leave that to other people to do, but clearly it led to the beginning of the end of this hostage situation here at the synagogue in colleyville, texas, which has gone on for nearly 11 hours. >> and also the hostage-taker had specific demands. he was talking about a desire to free a prisoner convicted back in 2010 of attempted murder and armed assault on u.s. soldiers. tell us about that. >> reporter: yeah. we've been hearing from federal law enforcement sources and law enforcement sources throughout the day that this suspect, this hostage-taker was inspired in part because of this jihadist who had been convicted of crimes and being held at a prison here