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was broken. did the killer have a key? the question always was, how did the person get into the house? a decade later, in a state 1500 miles away, detectives finally found their answer. we got a dna hit. reporter: and more questions. we knew there was more to this story than just some guy coming from colorado to commit a murder and go back home again. reporter: did someone closer to home want her dead? you re 99% sure that he had something to do with it, but there s no smoking gun. so many secrets still to be revealed. i know more about this than i ve said. reporter: and one more killer still on the run. he knew what was in that house. he knew what he was doing. doesn t get any worse than that. reporter: i m lester holt and this is dateline. here s dennis murphy with indiscretion. reporter: she was a bubbly woman in her early 20 s just looking for a clean break. heidi bernadzikowski, a baltimore pool league ace had, in recent years, endured som ....
was broken. did the killer have a key? the question always was, how did the person get into the house? a decade later, in a state 1500 miles away, detectives finally found their answer. we got a dna hit. reporter: and more questions. we knew there was more to this story than just some guy coming from colorado to commit a murder and go back home again. reporter: did someone closer to home want her dead? you re 99% sure that he had something to do with it, but there s no smoking gun. so many secrets still to be revealed. i know more about this than i ve said. reporter: and one more killer still on the run. he knew what was in that house. he knew what he was doing. doesn t get any worse than that. reporter: i m lester holt and this is dateline. here s dennis murphy with indiscretion. reporter: she was a bubbly woman in her early 20 s just looking for a clean break. heidi bernadzikowski, a baltimore pool league ace had, in recent years, endured som ....
12 children. he says, oh, my god. reporter: they didn t have 12, but this devout roman catholic couple did raise their five in a baltimore, maryland suburb. high heidi, the only girl in a sea of brothers. when i hear that, i think poor heidi. yep, yep. reporter: growing up with all those boys. well, and we had friends that used to say to us, oh, she must be treated like a princess. and i said, are you kidding me? she had to be just about tough as they were. and she kept them in their place too, i mean. she wasn t treated like she was a little princess that s for sure. reporter: heidi grew up to be a happy, outgoing, athletic girl, surrounded by friends. it was a noisy, loving family with strict rules. everyone at the table for dinner. mass on sunday and no back talk. heidi s brothers frank and harold. reporter: true that your mom was known to wash out a potty mouth with a bar of soap? i got it. true. reporter: did you? yeah. they were very st ....
when donna and walter bernadzikowski met at a church social, talk of a family even preceded the engagement ring. he used to scare the girls away by saying he wanted 12 children. and i said, well, i always thought i wanted to have 12 children. he says, oh, my god. reporter: they didn t have 12, but this devout roman catholic couple did raise their five in a baltimore, maryland suburb. heidi, the only girl in a sea of brothers. when i hear that, i think poor heidi. yep, yep. reporter: growing up with all those boys. well, and we had friends that used to say to us, oh, she must be treated like a princess. and i said, are you kidding me? she had to be just about tough as they were. and she kept them in their place too, i mean. she wasn t treated like she was a little princess that s for sure. reporter: heidi grew up to be a happy, outgoing, athletic girl, surrounded by friends. it was a noisy, loving family with strict rules. everyone at the table for dinn ....
big nice butt look is real in right now. it is. even mya sings the mom jeans song. and my husband wrote the song. that s right. and they bought their house with the mom jeans money. went platinum. yes. single platinum. hey girls. hey. now, in the movie, y all do this big dance. choreographed. who is the better dancer in real life, though? i got to tell you something. if you re a real dancer, you would never answer that question. because every dancer brings something different to a dance. you can t understand because you re an professional dancer. i m not. i m not. thank you for saying that. but you are. life is like a dance. you know? yes. and i m two beats behind. all the time. okay. i want to bring in a paddle. play a gameme with you guys. bring in a paddle sounds weird. since you ve known each other for over 20 years, who is the first to apologize? we don t fight. people want us to fight. that s the question we get. rea ....