. >> so this is what happens next. 18-year-old sara dawn mckinley opens fire with the shotgun, killed man she said broke down her door and entered her home. now listen to her describe to hln dr. drew what led up to the shooting. >> when he showed up on thursday what did he say to you? >> when he showed up on thursday, i answered the door and i kind of poked my head out, just, you know, to see what he wanted. and he said that he worked for my landlord and he had moved in on the property that i was on and there's 2,000 acres and he said that he moved somewhere back in there. and it was dark so you don't come introduce yourself to your neighbor late at night like that. and so that was the first thing that made me know that he wasn't good. >> you said that at that point was your sister and brother-in-law were there, did they want to stay with you that night? did they confront this guy? >> yes. they stayed with me because he had went to approach me when i opened the door and my sister's husband was standing behind the door and he didn't -- he did not realize that. when he jerked the door o

the woman you see here in this video is 18-year-old sara dawn mckinley, these there with her 3-month-old baby on new year's eve when someone tries to break into her house. so she calls 911. >> i've got two guns in my hand. is it okay to shoot them if he comes in this door. >> sara was there with her 3-month-old baby in her arms and she was home alone. her husband had just passed away on christmas day from lung cancer. she stays on the phone for 21 minutes with this 911 dispatcher. >> well, you have to do whatever you can do to protect yourself. i can't tell you that you can do that. but you do what you have to do to protect your baby. >> i guess i was feeding off her and she was calm, so i could be calm. >> the first person to enter her home is 24-year-old justin martin. and he's wielding a knife. and sara mckinley has a shotgun and shoots him. and justin was killed in this incident. now, the twist in this story, there was a second intruther or potential intruder according to olice in this incident. and accdi to oklahoma law, he could now be charged in the death of justin martin. because