burbridge would need all the help he could get.vailable investigator, nearly 20 of them, chased the scattered clues. did you actually need them all? >> yes, i kept them busy. one detective, his whole job was to try to identify that white van. >> remember that white van the neighbors saw? >> van was unique enough because it was an after-factory extended van that they make for certain professions. >> okay. >> and eventually once we were able to identify the make and model we had washington d.o.l. provide with us all the vans registered in spokane county and there were 75 of them. >> which possibly fit that description. >> yes, sir. >> of course 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 just 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 de