<p>Gov. Arnold Schwarzenegger denied clemency Friday to an escaped felon who went on a killing spree, stabbing and hacking four victims with a buck knife and hatchet.</p>
<p>Kevin Cooper, 46, was convicted in the 1983 murders of Douglas and Peggy Ryen, both 41, their 10-year-old daughter, Jessica, and her 11-year-old friend, Christopher Hughes. The Ryens' 8-year-old son, Joshua, survived a slit throat.</p>