NEW YORK, United States (AFP) – Maurene Comey, the federal prosecutor who handled the case of sex offender Jeffrey Epstein and whose father is a prominent critic of United States (US) President Donald Trump, filed suit on Monday over her firing.

She is the daughter of former FBI director James Comey and was summarily dismissed in July from her position as an assistant US attorney in Manhattan.

In a lawsuit filed in a federal court in New York against the office of the president, the Justice Department and others, Comey said she had an “exemplary” record and her firing was “unlawful and unconstitutional.”

Comey, who prosecuted a number of major cases during her 10 years in the US attorney’s office, said she was never given any explanation for her dismissal.

“In truth, there is no legitimate explanation,” the lawsuit said. “Rather, Defendants fired Ms Comey solely or substantially because her father is former FBI Director James B. Comey, or because of her perceived political affiliation and beliefs, or both.”

Since taking office in January, Trump has taken a number of punitive measures against his perceived enemies, purging government officials deemed to be disloyal, targeting law firms involved in past cases against him and pulling federal funding from universities.

Comey was dismissed a week after the Justice Department confirmed that it had opened an unspecified criminal investigation into her father, a long-time Trump adversary.

It also came amid mounting pressure on Trump to release material from the probe into Epstein, who committed suicide in a New York prison in 2019 after being charged with sex trafficking.

Comey was among the prosecutors who handled the case involving the wealthy financier, but it never went to trial because of his death.

She also prosecuted Ghislaine Maxwell, the only former Epstein associate who was criminally charged in connection with his activities.

Maxwell is serving a 20-year sentence for sex trafficking of underage girls.

Comey’s father has had a contentious history with Trump dating back to his first term in the White House.

Trump fired the elder Comey in 2017, as the then-FBI chief was leading an investigation into whether any members of the president’s campaign had colluded with Moscow to sway the 2016 election, in which the Republican beat Democratic candidate Hillary Clinton.