Killer Joe Brian Thompson, CEO of UnitedHealthcare, was killed. Wednesday left a message on a possible bullet casing at the scene, Associated Press Informed report The words “deny,” “deposed” and “defense” were written on live rounds and bullet casings left by the killer, police said.

Thompson was shot and killed Wednesday outside a midtown Manhattan hotel just before a scheduled company investor conference. New surveillance photos of the suspect, released by police even as the search continues, show him smiling.

According to police sources, each bullet and casing had only one word written on it, leading them to believe the shooter may have been trying to leave a message.

The term ammunition can refer to strategies used by insurance companies to avoid paying claims. Associated Press said.

NYPD Chief of Detectives Joseph Kenney said earlier that investigators recovered several 9mm shell casings outside the hotel and a cellphone from the street where the shooter fled.

The incident was captured on CCTV, which showed Thompson walking down the street when the masked shooter, wearing a black jacket and carrying a backpack, approached him and pointed a gun at Thompson. was The shooter can then be seen firing several rounds at Thompson.

According to police, the suspect then walked between two vehicles, got on a motorcycle and headed toward Central Park.