Disclaimer: This article contains mentions of murder and assault. Reader discretion is advised.
Investigation Discovery‘s true crime drama A Concrete Motive aired on the network on Saturday, March 23, 2024, at 10 p.m. ET. It revolved around the murders of Michael Zammitti Jr and Chester Roberts in the Allstate Concrete Pumping office in 2006.
39-year-old Michael Zammitti Jr was the President of Allstate Concrete, and Chester Roberts, 51, worked as a part-time handyman and driver. The two were found dead in the Wakefield office of the company. Investigations revealed that the culprit, Sean Fitzpatrick, had been having an affair with Zammitti’s wife, Michelle Zammitti. To pursue this relationship, Fitzpatrick shot Zammitti with a 16-gauge shotgun on March 13, 2006. Chester Roberts was the only eyewitness of the crime. He had walked into the premises at the wrong time, which compelled Fitzpatrick to shoot him as well.
Before the homicide, Michelle Zammitti had reportedly called off the relationship and ended things with Sean Fitzpatrick in March 2006. During the trial, Fitzpatrick claimed he was asleep at his house in Freedom, N. H., when the crime took place at the cement company in Wakefield. Before the killing, he allegedly lied to Michelle and several other friends that he was going to get back with an old girlfriend, Fosters Daily Democrat wrote.
Fitzpatrick lied to prevent Michael Zammitti Jr’s mother from becoming suspicious of the affair. He repeatedly told the court that he and Michelle were in love. On the other hand, Michelle had told him multiple times that she would not leave her husband.
When was Sean Fitzpatrick convicted of Michael Zammitti Jr’s murder?
On February 19, 2009, the court found Sean Fitzpatrick guilty of two counts of first-degree murder. He was also convicted of one count of illegal possession of a shotgun in relation to the murders of Michael Zammitti Jr and Chester Roberts. The judge sentenced him to two consecutive life sentences without eligibility for parole. According to the Ossipee Lake Alliance, The autopsy findings indicated that Zammitti succumbed to a gunshot wound to the head, while Roberts died due to a gunshot wound to the back.
ABC News reported that Michelle Zammitti admitted to having an emotional and physical relationship with Sean Fitzpatrick starting in 2005. In August 2005, Michael’s mother reportedly caught her and found out about the affair. Following that, the Zammittis were attending marriage counseling sessions, and their relationship had also begun to improve. Sean, however, continued to pressure her to leave her husband.
A Concrete Motive aired on ID on Saturday, March 23, 2024, at 10 p.m. ET.
