<p>John Allen Rubio, 29, of Brownsville, Texas, was found guilty in 2003 of killing the three children - all under the age of four - but an appeals court overturned the conviction in 2007. He was again sentenced to death on Thursday for the beheading of the three - including his own daughter, the Herald Sun reported.<br /><br />Rubio told the court that after killing the children, he insisted that Angela Camacho - the children's mother - have sex with him, saying that it would be their last chance.<br /><br />Police found the decapitated bodies of Julissa Quesada, three, John E Rubio, one, and two-month-old Mary Jane Rubio March 11, 2003. The youngest child was Rubio's biological daughter.<br /><br />They were discovered in the apartment in Brownsville where the family lived. Camacho had pleaded guilty in 2005. She is currently serving three life sentences.<br /><br />The court sentenced Rubio to death by lethal injection, but his attorney said he will appeal the conviction.<br /><br />Rubio, however, pleaded not guilty to insanity.</p>
<p>John Allen Rubio, 29, of Brownsville, Texas, was found guilty in 2003 of killing the three children - all under the age of four - but an appeals court overturned the conviction in 2007. He was again sentenced to death on Thursday for the beheading of the three - including his own daughter, the Herald Sun reported.<br /><br />Rubio told the court that after killing the children, he insisted that Angela Camacho - the children's mother - have sex with him, saying that it would be their last chance.<br /><br />Police found the decapitated bodies of Julissa Quesada, three, John E Rubio, one, and two-month-old Mary Jane Rubio March 11, 2003. The youngest child was Rubio's biological daughter.<br /><br />They were discovered in the apartment in Brownsville where the family lived. Camacho had pleaded guilty in 2005. She is currently serving three life sentences.<br /><br />The court sentenced Rubio to death by lethal injection, but his attorney said he will appeal the conviction.<br /><br />Rubio, however, pleaded not guilty to insanity.</p>