NEW HAVEN, Conn. (WTNH) – Officials with the Los Angeles Police Department say they’re conducting tests on a knife found on O.J. Simpson’s old property and forensic expert Dr. Henry Lee, who testified at his trial in the mid 1990s, thinks it could be a game changer.

News 8 spoke with Dr. Lee over the phone, who currently works as member of the faculty at the University of New Haven, about the development.

“If say, you know, the biological evidence, if this knife was preserved well, we can still find biological evidence,” said Lee. “A hair or fiber evidence if this wasn’t exposed to heavy rain or soaking water may have something there.”

The knife authorities said at a news conference Friday was obtained by a now retired member of the force who got it from a construction worker who had worked in the area of Simpson’s estate. The date the knife was recovered has not been released.

Over the years there have been several knives found in Simpson’s former neighborhood, none however have been able to link Simpson to any crime. It’s not clear if this latest discovery will be any different, but when News 8’s Josh Scheinblum asked Dr. Lee if he thinks Simpson was responsible for the deaths of his ex-wife and her friend, he told him to just look at the evidence.

“My opinion is in the testimony,” said Lee. “I only testify on scientific evidence. In my book I did mention he could be involved. Whether or not he’s the killer, we don’t know.”

O.J. Simpson is currently serving a 33 year sentence in a Nevada prison for his role in a botched robbery back in 2007.