DAVENPORT — Jerry Burns, when confronted by police with a genetic prediction photo of the man authorities believe killed 18-year-old Michelle Martinko in 1979, said, “Do you think I look like that?”Cedar Rapids police investigator Matthew Denlinger, in a videotaped interview, replied, “a little bit.”“Hmm. Wow. Looks a lot different than when I look in the mirror,” Burns said Dec.