Doig, Matthew (December 18, 2005). "The Walker Murders Unsolved". Sarasota Herald Tribune. Archived from the original on December 18, 2013. Retrieved December 11, 2012.
Doig, Matthew (December 18, 2005). "The Walker Murders Unsolved". Sarasota Herald Tribune. Archived from the original on December 18, 2013. Retrieved December 11, 2012.
"An Enduring Mystery". Sarasota Herald Tribune. December 18, 2005. Archived from the original on October 6, 2010. Retrieved September 30, 2010.