Murder of UnitedHealthcare CEO: Backpack reportedly contained a jacket and Monopoly money

The gray backpack linked to the murder of UnitedHealthcare CEO Brian Thompson that authorities found dumped in Central Park is believed to have yielded a jacket and some Monopoly money, but no weapon.

According to Bloomberg, the backpack found on Central Park West on Friday contained a jacket. NBC News reported Saturday that Monopoly money was also found in the backpack.

The new information came as authorities began wrapping up the fourth day of the hunt for Thompson’s assassin. The businessman was shot with a silenced pistol around 6:45 a.m. Wednesday outside a hotel in Midtown Manhattan.

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A Peak Designs backpack that the NYPD last found in a pile of leaves in Central Park on Friday. The bag appears to match the description of the bag carried by the gunman who killed UnitedHealthcare CEO Brian Thompson in Manhattan on Wednesday morning. (Received from New York Post)

Thompson was on his way to a Midtown hotel when the masked suspect opened fire from behind and then fled the scene. Police believe the shooter left New York City on a bus that same day.

Police have not officially confirmed that the newly found backpack was the same one worn by the suspect during the murder, which was captured on a surveillance camera.

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Signs posted in Midtown Manhattan are asking the public to help find the suspect wanted in the shooting death of UnitedHealthcare CEO Brian Thompson on Wednesday. (Fox News)

Retired FBI agent Scott Duffey told Fox News Digital that the material will be taken to a lab in Queens for forensic testing and undergo trace processing.

“(It’s) a process for hair, fibers (and) DNA,” Duffey explained Saturday. “If he puts his hand against the strap and tightens the buckle, as most of us do, there is likely to be DNA there. And zippers.”

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The suspected shooter of UnitedHealthcare CEO Brian Thompson leaves the scene. (Amar Abdelmula)

Investigators are also analyzing clues left behind by the suspect, such as a water bottle at the crime scene and a discarded cell phone. Bullet casings marked “deny,” “depose,” and “delay” were also found.

Former Washington, D.C., homicide detective Ted Williams said the Monopoly money in the backpack was the “murderer playing games with the authorities.” It’s all part of a game of cat and mouse,” he said.

“This killer knew they would most likely find the backpack, and he leaves breadcrumbs to let the authorities know he is in control, not them.”

Christina Coulter of Fox News Digital contributed to this report.