Prosecutors on Friday filed three felony charges against a man suspected of triggering a bomb scare this week in local schools and at City Hall.

Michael E. Parker, 46, appeared before Judge Stephen Six in District Court, where the District Attorney’s Office charged him with three counts of making an aggravated criminal threat.

“This wasn’t a single lapse of judgment. The threat was repeated multiple times,” Assistant District Attorney Brenda Clary said. “It resulted in the disruption of hundreds of lives.”

Asked if he understood the charges, Parker said, “I understand what they’re saying I did.”

Even though police said the threat wasn’t directed at any specific school, Parker is charged with threatening three places: Children’s Learning Center, 205 N. Mich., Bishop Seabury Academy, 4120 Clinton Parkway, and John Dewey Learning Academy in Lecompton. Clary said that was because those were the three places that were evacuated Thursday.

State law defines the crime of “aggravated criminal threat” as a threat that causes the evacuation of a public building or assembly place.

The potential penalty can change based on the amount of lost productivity. As of Friday, Parker was charged with the least severe version of the crime: a threat causing a loss of productivity of less than $500 per count, which carries a maximum penalty of 46 months in prison per count.

But District Attorney Charles Branson said his office would look into whether the facts would support a more severe charge.

“We will not tolerate senseless acts such as this,” Branson wrote in an e-mail. “I will not accept any plea other than guilty as charged on each count.”

The judge appointed attorney Jim George to represent Parker and set his bond at $30,000, despite Parker’s request to be let out on his own recognizance. His next court date will be Tuesday morning.

Neither Branson nor Lawrence police spokesman Capt. David Cobb would comment on a possible motive Friday, although Cobb has said police didn’t have any indication it was related to the shootings this week on the Virginia Tech campus.

According to city records, Parker filed a claim against the city in December 2006 alleging he tripped on a loose brick at 10th and Massachusetts streets, fell and hurt his right shoulder. He didn’t specify the amount of money he was seeking but wrote that he had medical bills from being treated at the Lawrence Memorial Hospital emergency room.

In a letter dated April 9, the city denied his claim and said the city had not been negligent. The city’s risk manager, Jennifer Harvey, wrote that in response to Parker’s complaint, a public works crew went to investigate the area, “visited the area in question, discovered the loose brick and set about repairs the same day.”

“While the city regrets your unfortunate injury, there is no evidence to suggest negligence,” she wrote. “Once made aware of the loose brick, city workers responded promptly and made appropriate repairs. : While we are not in a position to oversee all city maintained sidewalk surfaces throughout the city at all times, we do endeavor to respond and repair reported areas promptly.”