a jeepology site used to hone in on mcraney. authorities taking a swab b from mcrainny.rgs a sent to a high-tech lab out of state. ultimately, matching samples collected from the crime scene. from the victim's father, a hope that justice will finally be served. >> there are some crimes so hans, that i think humanity needs to be rid of the pepper rater. >> reporter: this, the latest in a host of cases advanced using dayses. just this month, this hogky dad arrested for the murder of a woman. >> the suspect's drgs nrgs args is consistent with that left at the scoop. >> reporter: and investigators were up spired by the capture of the suspected golden state killer in northern california last year. the police chief tells me so far, there's no evidence to suggest that there was any connection between the suspect and h victims before this crime. erielle reshef, abc news, new york. >>> in california this morning, mother nature's beauty has turned into a public safety nightmare. they're calling it the hop pi apocalypse. heavy rains have triggered a superbloom of poppies in this ca