so they never confirmed that his name actually was danny wu. but there was one thing that might help i.d. him. >> he's a marine. >> that was my initial reaction. >> while chief roberts didn't know who the man really was or where he was now or why he targeted two women who once taught bible school together, he knew they had to track him down right away. >> this is a community on edge. >> and now he's out there. >> he's out there. and we've got to find him. >> the chief canceled all time off, called in every available a manhunt was on. and then a bit of luck. the very same sharp-eyed detective who found karen noticed something odd nearby. a wooden panel on the back of an old batting cage beside the river walk looked not quite right. so the officer reached behind the loose panel and found a pipe that appeared to have blood on one end. blood. and then when the crime lab compared a dna sample from the other end of the pipe with the material found under amyjane's fingernails? >> i get that call on a sunday afternoon. now we've connected the dots. >>

no danny wu. but anxiety? oh, yes. >> you didn't leave garages unlocked. >> no. >> sheds, doors, windows, cars. >> yeah. you do. you feel like there's a serial killer in town. >> and then a call from the local convention center. two catering company employees told the dispatcher they'd gone in through a side door to the kitchen. >> and here sits this person who they readily recognize as this danny wu that we had disseminated the images of and he was sitting there drinking a coke. and he basically picked up his stuff and disappeared into the facility. >> so he's in the building somewhere. it's a big building. >> it's a big building. >> within minutes the police surrounded the convention center. a search dog trained to bite joined in. they set up a command post outside one of the center's windows. >> the dogs just woof, woof, woofing at the door. and the oregon state trooper behind us says i can see a leg hanging out of the ceiling. >> looking through a window. >> i take about two steps back from where i'm stand

no danny wu. but anxiety? oh, yes. >> you didn't leave garages unlocked. >> no. >> sheds, doors, windows, cars. >> yeah. you do. you feel like there's a serial killer in town. >> and then a call from the local convention center. two catering company employees told the dispatcher they'd gone in through a side door to the kitchen. >> and here sits this person who they readily recognize as this danny wu that we had disseminated the images of and and he basically picked up his stuff and disappeared into the facility. >> so he's in the building somewhere. it's a big building. >> it's a big building. >> within minutes the police surrounded the convention center. a search dog trained to bite joined in. they set up a command post outside one of the center's windows. >> the dogs just woof, woof, woofing at the door. and the oregon state trooper behind us says i can see a leg hanging out of the ceiling. >> looking through a window. >> i take about two steps back from where i'm standing and i can see it. so i give him th

>> and here sits this person who they readily recognize as this danny wu that we had disseminated the images of and he was sitting there drinking a coke. and he basically picked up his stuff and disappeared into the facility. >> so he's in the building somewhere. it's a big building. >> it's a big building. >> within minutes the police surrounded the convention center. a search dog trained to bite joined in. they set up a command post outside one of the center's windows. >> the dogs just woof, woof, woofing at the door. and the oregon state trooper behind us says i can see a leg hanging out of the ceiling. >> looking through a window. >> i take about two steps back from where i'm standing and i can see it. so i give him the command to enter. they enter, go straight to this location in the stairwell and there he is. >> minutes later the suspect, the man known as danny wu, the man who may have murdered one woman, possibly even two and terrorized the town of pendleton walked out in handcuffs and into local paper. later, officers took this video of his hiding spot in an air-conditioning d

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