What Happened to Nicholas James Firkus?
Nicholas Firkus was convicted in 2023 for the 2010 murder of his wife, Heidi Firkus, a case that remained cold for over a decade. He initially claimed an intruder shot his wife during a home invasion, but investigators later determined he killed her to conceal severe financial problems and impending foreclosure. His conviction, which resulted in a life sentence, was upheld by the Minnesota Supreme Court in February 2026.
Quick Answer
Nicholas Firkus was convicted in February 2023 of first- and second-degree murder in the 2010 shooting death of his wife, Heidi Firkus. He was sentenced to life in prison without the possibility of parole in April 2023. Firkus had maintained his innocence, claiming an intruder was responsible. However, the Minnesota Supreme Court upheld his conviction on February 25, 2026, affirming the jury's verdict based on circumstantial evidence. As of March 28, 2026, he is serving his life sentence at Minnesota Correctional Facility – Rush City.
📊Key Facts
📅Complete Timeline13 events
Heidi Firkus Murdered
Heidi Firkus is fatally shot in her St. Paul home. Her husband, Nick Firkus, claims an intruder broke in and shot her during a struggle, also wounding him in the leg.
911 Calls Made
Heidi Firkus makes an initial 911 call reporting a break-in, followed shortly by Nick Firkus calling to report his wife was shot.
Cold Case Investigation
The case goes cold for over a decade due to a lack of direct evidence, with no signs of forced entry and only Nick Firkus's DNA found on the shotgun.
Nick Firkus Remarries
Nick Firkus marries his second wife, Rachel Firkus, after Heidi's death.
Rachel Firkus Divorces Nick and Provides Evidence
Rachel Firkus divorces Nick due to his financial deceit and provides recorded conversations to police, where she confronted him about his lies, which became crucial evidence.
Nick Firkus Arrested and Charged
Based on new evidence, including Rachel's recordings and re-examined forensics, Nick Firkus is arrested and charged with first- and second-degree murder.
Trial Begins
Nick Firkus's trial for the murder of Heidi Firkus begins in Ramsey County District Court.
Found Guilty of Murder
A jury finds Nick Firkus guilty of first-degree and second-degree murder after an 11-day trial, deliberating for four hours.
Sentenced to Life in Prison
Nick Firkus is sentenced to a mandatory life in prison without the possibility of parole. He maintains his innocence during the sentencing.
20/20 Episode Airs (Original Broadcast)
ABC's '20/20' airs an episode titled 'Stranger in the House' detailing the Firkus case, including the initial investigation and the new evidence.
Appeal Process Underway
Reports confirm Nick Firkus is appealing his conviction, with his attorneys arguing the case relied too heavily on circumstantial evidence.
Minnesota Supreme Court Upholds Conviction
The Minnesota Supreme Court affirms Nick Firkus's first-degree murder conviction, rejecting his appeal and ensuring he will remain in prison for life.
20/20 Episode Rebroadcast
ABC's '20/20' rebroadcasts its episode 'Stranger in the House,' revisiting the Firkus case and its latest developments, including the Supreme Court ruling.
🔍Deep Dive Analysis
Nicholas Firkus's story begins on April 25, 2010, when his wife, Heidi Firkus, was fatally shot in their St. Paul, Minnesota, home. Firkus reported to police that an intruder had broken into their home, and during a struggle over his shotgun, his wife was shot in the back, and he sustained a minor leg wound. The case remained unsolved for over a decade, with investigators finding no evidence of a forced entry and only Nick Firkus's DNA on the shotgun, raising suspicions about his account.
The motive, according to prosecutors, was Firkus's desperate attempt to hide severe financial troubles, including an impending foreclosure and eviction from their home, from his wife and their community. Heidi Firkus was reportedly unaware of the extent of their financial distress, even planning activities for the weekend they were to be evicted.
A significant turning point in the cold case came with the involvement of Firkus's second wife, Rachel. After their divorce, Rachel Firkus provided crucial evidence to authorities, including recordings where she confronted Nick about his pattern of financial deceit and lies, which mirrored his behavior with Heidi. This new evidence, combined with a re-examination of the 911 audio and ballistics, led to Firkus's arrest in May 2021.
His trial commenced in January 2023, and after 11 days, a jury found him guilty of first- and second-degree murder on February 10, 2023. Prosecutors argued that Firkus staged the home invasion to avoid the shame of his financial failures. On April 13, 2023, Firkus was sentenced to a mandatory life sentence without parole, a sentence he vowed to appeal, maintaining his innocence.
Firkus's appeal focused on the sufficiency of circumstantial evidence used for his conviction. However, on February 25, 2026, the Minnesota Supreme Court upheld his conviction, affirming the jury's verdict. The ruling was significant for other cases in Minnesota relying on circumstantial evidence, strengthening jury verdicts in such appeals. As of March 28, 2026, Nicholas Firkus remains incarcerated at the Minnesota Correctional Facility – Rush City, serving his life sentence.
What If...?
Explore alternate histories. What if Nicholas James Firkus made different choices?