then there was the pipe bomb that detonated inside connie hoagland's pickup. w there was a mysterious fedex box addressed to jonathan hoagland but delivered to his high school. >> i guess it had something to do with the car bomb that was -- happened last week. it may be from the same person, so we're not sure. >> immediately the school was shut down because now we still wasn't sure who was going to be involved. >> reporter: the box was removed and destroyed. inside investigators were hoping to find some evidence that could lead them to the bomber. instead they found party favors that jonathan had forgotten he'd ordered for a high school dance. >> something that he was in charge of getting, and he didn't remember it. >> reporter: but it shows the state of mind at the time. >> pretty rough, school's closed down, bomb squad coming out, everything. >> reporter: while this particular event turned out to be a bust in terms of finding any workable evidence, luke and beals believed the bomber had to be somebody who knew the hoaglands, knew where they worked, where they