aurora police are still looking for john detective steve connor is on the case. the man who broke into the bennett's home in january of 1984. >> there are no witnesses. >> reporter: no one saw who killed bruce and debra and their daughter melissa the day before her 8th birthday. >> it's one of the older unsolved cases that we have. >> reporter: while case files sat on shelves technology got better and better, first came >> if you'd asked me five years ago, i would have said no way. how can you produce something from dna? >> reporter: the work was done by parabon nano labs in virginia. the company uses dna like a blueprint to make predictions about what someone looks like. >> hair color, eye color, facial features, skin tone, whether or not they have freckles. >> reporter: pinpointing those physical details can be a huge help to police. >> other ethnic minorities or races, i can eliminate them baup have. >> reporter: it can lead to breaks in cases that made headlines years ago. >> something that for us we're excited about because it puts a face or an image to a pe

. >> cold case detectives steve connor was securing the scene the day bruce bennett, his wife debra and their 7-year old daughter melissa were found blujen to death. another daughter spoke with cbs410 years later. >> [indiscernible] asked me what happened to my face. that's every time i think about it which is almost everyday. >> forever years, investigators have worked and reworked evidence found at the scene. but as detective connor who first considered using new phenotyping where the process of processing physical appearance and ancestry using unidentified dna. >> they have background on the case, and now they can put some kind of a face to the person we're looking for. >> the result was this photo of what the suspect might have looked like at the time of the crime, and this one of what he could look like today. connor says he's hopeful these images will prompt new leads in a case that may have gone cold, but is far karen morfitt cbs news. >>> the ceo says she won't lower the price of epi pen, but her company is going to offer coupons and offer help for those in need. not everyone is