The prosecution called John Dennis Bradley, a former Canadian law enforcement officer who develops software for computer investigations, to analyze a data file from a desktop taken from the Anthony home.[62] Bradley said he was able to use a program to recover deleted searches from March 17 and March 21, 2008, and that someone searched the website Sci-spot.com for "chloroform" 84 times. Bradley expressed his belief that "some of these items might have been bookmarked". Under cross-examination by the defense, Bradley agreed there were two individual accounts on the desktop and that there was no way to know who actually performed the searches.[60]