Lacayo was carrying the names and addresses of Fairfield, Conn., police officers at the time of the shootings, Rhode Island State Police Major Steven G. O’Donnell said this morning.

Although he has had some contact with the Fairfield police department, O’Donnell described the past instances as “nothing of substance, nothing major.”

One of the state troopers on scene Sunday night said Lacayo “had a lot to say verbally” during the incident and acted out “things from movies,” including, O’Donnell said, the film Scarface.

Local police are working with Connecticut state and Fairfield police to investigate Lacayo’s background and family. O’Donnell said the police do not know why he approached the New Shoreham police department carrying the names and addresses of Fairfield police officers.

“It’s difficult to get into the mindset of a person who would be doing something like this,” O’Donnell said.

According to O’Donnell, Lacayo was spotted by State Trooper Michael Reynolds Sunday night as he walked toward the New Shoreham Police Department carrying a shotgun.

A chase ensued, and Lacayo fired five times at officers before dropping his gun, which was out of ammunition. Officers apprehended him and discovered he was also carrying a buck knife.

Additional charges may be filed against Lacayo as the investigation continues, O’Donnell said.

For now, he is also charged with one count of assault with a dangerous weapon, for pointing the shotgun at Reynolds, but not firing, as he walked across the lawn toward the Block Island police department, and with one count of using a firearm while committing a crime of violence.