FedEx employee now charged after shooting 24 rounds inside empty Menomonee Falls building

A FedEx employee has now been charged after he shot at least 24 rounds from his gun inside the empty FedEx facility where he worked, authorities say.

Isaiah Dorsey, 27, is charged with two felonies and one misdemeanor: one count of burglary by use of a dangerous weapon, one county of criminal damage to property by use of a dangerous weapon and resisting an officer, according to Waukesha County court documents.

He was ordered to have no contact with the FedEx ground facility on County Line Road in Menomonee Falls or any of the employees listed in court documents. He is also not to obtain any dangerous weapons or firearms.

According to the criminal complaint, two FedEx security guards originally believed Dorsey had been terminated from the company.

The criminal complaint alleges that:

On Sunday, at 5 p.m., two FedEx security guards noted that Dorsey attempted to enter the building, but his work badge denied him access, causing the guards to believe that Dorsey had been terminated.

Dorsey later returned to the facility at 9:30 p.m., where he entered the building using an entrance for vehicles and caused the alarm to go off.

One of the guards then left the booth to confront Dorsey to advise him that he was not allowed to be on the premises. The guard then saw Dorsey holding a gun and retreated to the security booth. She then radioed for help, locked down the building and called 911 for assistance.

At 9:40 p.m., officers responded to the FedEx distribution center, located at N96 W14849 County Line Road, for reports of a man who had entered the building with a gun.

When they arrived, police heard a single gunshot from inside the building. As officers approached the facility, Dorsey came out the side door with the gun in his hand. An officer then pointed a rifle at Dorsey and told him to drop his weapon.

Dorsey dropped the weapon, but he then tried to reenter the building after being instructed to walk back toward the officers.

An officer then attempted to grab Dorsey from the doorway, who then resisted, causing the officer to struggle with him on the ground.

After instructing Dorsey several times to comply, the officer struck Dorsey four times on his back. After Dorsey continued to resist, another officer used a taser on Dorsey, who then replied, "This is awesome, bro."

Dorsey was then taken to a hospital for treatment of a small scrape to his cheek. After being cleared, he was booked into the Waukesha County Jail.

After Dorsey was in custody, officers entered the FedEx building and observed multiple shell casings in the entryway and other additional rooms.

There had been significant damage to a window that led from the breakroom to the office area. Additionally, bullet holes were found near a sorting ramp and a corkboard attached to a wall.

In total, officers found 24 shell casings throughout the building, and about $2,500 worth of damage was done to the building. His gun was the only item recovered as evidence.

A FedEx manager confirmed Dorsey had not been terminated from his job and was surprised by the events on March 17.

During an investigation, a FedEx manager revealed that Dorsey had not been terminated prior to the shooting. The manager last saw Dorsey at work the day before at 1:30 p.m.

The manager noted that Dorsey's work badge was not working, so he told security to issue Dorsey a new badge.

He told a detective he was confused about the incident and confirmed that Dorsey had not been fired or displayed any unusual behavior during his shift.

Surveillance footage revealed Dorsey's unusual behavior inside the building

Surveillance footage provided to officers showed Dorsey walking into the facility at 9:40 p.m. He fired one round toward the FedEx trucks that were parked as he went into the building. He entered the breakroom at 9:43 p.m. which showed Dorsey talking to himself and then grabbing an energy drink and potato chips from a vending machine.

Dorsey then fired nine rounds into the window. At 9:46 p.m., Dorsey was seen walking toward the entrance door where he shot another round from his gun.

He then proceeded to the entrance door, where he opened it, meeting the officers who were called to the building.

If convicted of all charges, Dorsey faces up to 19 years in prison and a fine up to $35,000.

He is due back in court on March 26.

Contact Adrienne Davis at amdavis@gannett.com. Follow her on X at @AdriReportss.