. >> nickel wetzel was the sheriff.intruders broke into his house and crept downstairs, byron shot both of them, dead. >> minnesota law is clear on, this thing. you have the right to use deadly force against another person, if you believe your life or the life of another is in immediate jeopardy. >> as investigators continued to secure the scene at byron's house, the sheriff's office was calling another family. kimberly brady had been frantically trying to find her son nick and her niece haile. now, investigators knew what had happened to them. they drove out to speak with kimberly, and they brought a chaplain. >> as soon as i saw them turn the corner, the -- something -- i knew he was gone. i didn't know how or why. and then, all of a sudden, i remember the door opened and the chaplain came out. all i said was, no. i don't really remember if i said anything else. he's like, your son is dead. >> nick and haile were both dead. kimberly fell to her knees. and then, the chaplain told her, it was no accident. >> he's like,