DNA from a Computer Keyboard

Forensic Science Communications - July 2004: "DNA from a Computer Keyboard

"[S]amples taken from trace evidence (i.e., hair and skin) found in a computer keyboard. The purpose was to determine whether more than one person had used the computer. A commercial kit was used for the extraction and purification of DNA and was found to be effective. Three STR loci were amplified (D18S535, D1S1656, and D10S2325) using polymerase chain reaction. The results indicated the existence of DNA in the samples from more than one person."