burbridge would need all the help he could get.able investigator, nearly 20 of them, chased the scattered clues. did you actually need them all? >> yes, i kept them busy. one investigator, his whole job was to try to identify the white van. >> remember that white van the neighbors saw? >> it was unique enough. it was an after-factory extended van that they make for specific professions. once we were able to identify the make and model we had washington provide us with all the vans registered in spokane county, and there were 75 of them. >> which possibly fit that description. >> yes. >> every one of those vans had to be tracked down. and that welding glove, the one found outside a back gate, maybe the killer dropped it as he escaped or maybe it happened to be there. they swabbed it for dna anyway. they scoured social media, the internet, looking for connections, looking for anything. and then one night after christmas, a couple weeks after the murder. >> i was at my desk. i got a hit on what's called a ripoff report which i'd never