prospect to all of us, that people can do these things and at least for a while get away with it. >> had it not been for an alert fingerprint examiner, brown's print might never have been matched. >> the afis systems have to be organized into one central location where all fingerprint files are kept so that you don't have to go through so many different agencies in order to find out the answer sometime. >> once in prison, robert brown made a shocking revelation. he admitted that heather church wasn't his first murder victim. he said he killed another colorado springs woman named roseau sperry, who'd been reported missing in 1987. he said he put her body in a trash dumpster. >> the sperry case was a classic cold case. it was a missing person.