OJ Simpson: Knife found at former football star's estate reportedly has no DNA matches

The LAPD has not officially announced the results

OJ Simpson during a court hearing in Las Vegas on May 14, 2013. (Ethan Miller/Associated Press)

The knife found buried at OJ Simpson’s Rockingham estate produced no DNA matches, TMZ reports.

Sources close to the Los Angeles Police Department investigation told the news gossip site that the knife was buried long enough that microbes in the soil degraded all DNA making it impossible to produce a result.

Maycoff's attorney Trent Copeland said that the worker gave his client the knife in 2002 or 2003. Maycoff was working as a security guard at the estate and kept the knife in a toolbox for 13 some years.

“Someone put him on hold, that person came back several minutes later, said he spoke to a supervisor who said 'Double jeopardy is attached to this case, OJ's been acquitted,” Copeland said, according to the Associated Press. “If that knife had blood on it there's really nothing we can do about it, so we don't want anything to do with this.’”

In 1994, Simpson was found not guilty of the murders of his ex-wife Nicole Brown Simpson and Ronald Goldman, who both died from knife wounds — the murder weapon was never discovered by investigators.

Officials who spoke on the condition of anonymity told TMZ that the knife found buried at Simpson's estate is commonly used by gardeners and too small to inflict the wounds that the victim’s sustained.

Simpson, who maintained his innocence, is currently serving a 33 year prison sentence in Nevada for armed robbery and kidnapping from an incident in 2007.