BOSTON — Federal prosecutors hit sitting Massachusetts Democrat State Rep. Christopher Flanagan with a sweeping new superseding indictment Friday, piling on eight wire fraud counts, a money laundering count, a falsification-of-records count, and three years of false tax returns — and laying out, in granular detail, how the second-term lawmaker allegedly turned a Cape Cod home builders' association into his personal piggy bank for four years running.

From 2021 to 2024, prosecutors say, Flanagan systematically drained two bank accounts belonging to the home builders' association where he worked. He allegedly stole more than $36,000 from one account and more than $7,000 from a second — backdating transaction entries in the books to cover his trail.

The shopping list reads less like a political scandal than a credit-card statement. Best Buy. 4Imprint. Macy's. Target. A Bluetooth speaker that prosecutors say never made it to the office. T-shirts and giveaways the association never ordered. Kids' merchandise from Target. And, in the summer before he announced his run for state representative, a payment to a psychic.

The most politically explosive allegation is that Flanagan allegedly funneled $10,000 of the stolen money into his own state representative campaign account in January 2023 — two months after winning his first term on Beacon Hill.

Prosecutors say he disguised the transfer on the association's books as a legitimate consulting fee, and later told the Massachusetts Office of Campaign and Political Finance the $10,000 had come from his own pocket as a personal donation. Investigators say his bank statements told a different story: a balance of roughly $42 the week before the deposit hit.

The indictment also fleshes out one of the strangest sub-plots in Massachusetts politics this year: a phony "conservative" mailer that hit Dennis voters during the 2022 cycle, attacking Democrats from the right and signed by a woman named "Jeanne Louise" on behalf of a group called "Conservatives for Dennis."

According to federal prosecutors, neither existed. Flanagan, a Democrat, allegedly invented both the persona and the group, then paid for the mailer with money he had taken from the home builders' association.

The superseding indictment also charges Flanagan with three counts of filing false federal tax returns — for tax years 2021, 2022, and 2023 — accusing him of failing to report the stolen funds as income and pocketing the difference.

The falsification-of-records count covers his alleged backdating and doctoring of the home builders' association's internal books to mask the missing money.

The wire fraud, money laundering and falsification-of-records counts each carry maximum sentences of 20 years in federal prison. The tax counts each carry up to three years. Flanagan was originally charged in a six-count indictment in April 2025; Friday's superseding indictment expands the case dramatically.

He has not resigned from the State House.