Stilletto Killer Takes The Stand

Ana Trujillo testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 1/2 -inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT (2014 HOUSTON CHRONICLE2014)

Ana Trujillo testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 1/2 -inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT (2014 HOUSTON CHRONICLE2014)

Ana Trujillo testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 1/2 -inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT (2014 HOUSTON CHRONICLE2014)

Ana Trujillo testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 1/2 -inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT (2014 HOUSTON CHRONICLE2014)

Defense attorney Jack Carroll, left, and Ana Trujillo demonstrate the fight that led to a fatal stabbing as she testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 ½-inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT (2014 HOUSTON CHRONICLE2014)

Ana Trujillo testifies during the punishment phase of her trial on Thursday, April 10, 2014, in Houston. Trujillo, convicted of murder for fatally stabbing her boyfriend 59-year-old Alf Stefan Andersson with a 5 1/2 -inch stiletto shoe heel, told the jurors she killed him in a desperate attempt to save her own life during a brutal fight of more than an hour in which she was chased down, knocked into a wall and thrown over a couch. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT