as it gets. scary as it gets. who was out there and who would be next. something you would never imagine would happen. the clues would lie here, an abandoned mansion, eerie, haunting, where was the killer hiding. cold, calculating eyes. lifeless. he was almost a ghost. could they catch him? could they stop him? i get chills all over. i m kind of on the edge of my seat. he truly thought he could outsmart us. i m lester holt and this is dateline. here s dennis murphy with the unusual suspect. consider for a moment that cozy word home and all it evoke, warmth, family, shelt, security. got it? and now reflect on what happens when those four walls are breached, when nightmares crawl through the window, kicks in the doors. when a haven becomes a house of horrors. how does that feel? ask lloyd irving? i m laying on the couch. two gunmen are holding me down saying you re being robbed, don t move. many years have passed since that night in 2008 outside
as it gets. scary as it gets. who was out there and who would be next. something you would never imagine would happen. the clues would lie here, an abandoned mansion, eerie, haunting, where was the killer hiding. cold, calculating eyes. lifeless. he was almost a ghost. could they catch him? could they stop him? i get chills all over. i m kind of on the edge of my seat. he truly thought he could outsmart us. i m lester holt and this is dateline. here s dennis murphy with the unusual suspect. consider for a moment that cozy word home and all it evoke, warmth, family, shelt, security. got it? and now reflect on what happens when those four walls are breached, when nightmares crawl through the window, kicks in the doors. when a haven becomes a house of horrors. how does that feel? ask lloyd irving? i m laying on the couch. two gunmen are holding me down saying you re being robbed, don t move. many years have passed since that night in 2008 outside
gets. scary as it gets. who was out there, and who would be next? something you would never imagine would happen. the clues would lie here. an abandoned mansion. eerie, haunting where was the the killer hiding? cold calculating eyes. lifeless. he was almost a ghost. could they catch him? could they stop him? i get chills all over. i m kind of on the edge of my seat. he truly thought he could outsmart us. i m lester holt and this is dateline. here s dennis murphy with the unusual suspects. reporter: consider for a moment that word home and all it einvokes shelter, security. got it? now what happens when the four walls are breached? when nightmares cross the window and kicks in the door. when a haven becomes a house of horrors. so how does that feel? just ask lloyd irvin. i d lay on the couch. i wake up and there s two gunmen over me pointing them holding down you re being rob. don t move. more than six years have passed since that night in augus
that s about as scary as it gets. scary as it gets. who was out there, and who would be next? something you would never imagine would happen. the clues would lie here. an abandoned mansion. eerie, haunting where was the the killer hiding? cold calculating eyes. lifeless. he was almost a ghost. could they catch him? could they stop him? i get chills all over. i m kind of on the edge of my seat. he truly thought he could outsmart us. i m lester holt and this is dateline. here s dennis murphy with the unusual suspects. reporter: consider for a moment that word home and all it einvokes shelter, security. got it? now what happens when the four walls are breached? when nightmares cross the window and kicks in the door. when a haven becomes a house of horrors. so how does that feel? just ask lloyd irvin. i d lay on the couch. i wake up and there s two gunmen over me pointing them holding down you re being rob. don t move. more than six years have pass
anxiety turned to full-on bowl bolt the doors panic. prince george s county 911. what is your emergency? ma am i m shot. me and my mother have been shot. i m bleeding. where are you? it was a desperate plea for help from dying girl. on the phone, 16-year-old student carissa lawton. slow down. what s the address? police rushed to the scene, but it was too late. they found carissa and her mom karen, in their bedrooms. each killed execution style with a shot straight to the head. crimes quickly become statistics but this stands out. stands out. makes the hair on the back of your neck stand up also. veteran prince george s county homicide detective bernie nelson was in charge of the case. the first arriving officers told him they amy found the main door locked shut from the inside. the killer, they thought, had likely entered the house through an unlocked side window. this bedroom on the second floor that s facing us that s where carissa was found. detective n