LOS ANGELES (CNS) – A veteran arson specialist told a downtown jury Monday he was convinced the Lachman Fire — which authorities believe grew into the deadly Palisades Fire — was sparked on New Year’s Eve 2025 by fireworks, not accused fire-setter Jonathan Rinderknecht.
Retired Los Angeles County Sheriff’s Department detective Ed Nordskog testified for the defense that prosecutors’ assertion the fire was spurred by “societal revenge” was inaccurate and insisted the Lachman Fire couldn’t even be considered arson in the first place.
“There’s no data that says it’s arson,” Nordskog said. “There’s more evidence this was fireworks … In fact, I don’t believe it’s an arson at all.”
Nordskog echoed defense arguments that any potential forensic evidence in the case was destroyed because officials didn’t rope off the area of the Lachman Fire until weeks later.
“Whatever evidence might’ve been there was buried, crushed … or floated away in water,” he said.
Nordskog also criticized the statements of a former U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives special agent and arson profiler who testified for prosecutors last week that Rinderknecht was driven by a thirst for “excitement” and revenge when he allegedly set fire to brush in the early morning of Jan. 1, 2025, on a remote hilltop near Skull Rock Trailhead.
Behavioral information “is some of the weakest evidence,” Nordskog said Monday, adding that he found it “very odd” that ATF called in an arson profiler after Rinderknecht’s arrest in October 2025, nine months after the fire, rather than in the early stages of the investigation.
The defense witness said “a motive should emerge” from a forensic investigation of an arson scene, not following the arrest of a suspect.
Attorneys are expected to give their closing arguments Tuesday immediately after the judge instructs the jury on the law.
A dual French and U.S. citizen, the 30-year-old Rinderknecht faces up to 45 years behind bars if found guilty of three arson counts: destruction of property by means of fire, arson affecting property used in interstate commerce, and timber set afire.
The trial in Los Angeles federal court began its third week Monday.
Federal prosecutors rested their case-in-chief last week with a final witness — the owner of the Reel Inn, a popular Malibu seafood restaurant on Pacific Coast Highway that was leveled in the Palisades Fire on Jan. 7, 2025.
Andy Leonard showed before-and-after photos of what he called his “seafood shack,” which he said he had operated for 38 years. The popular eatery was pictured full of noshing customers in the first shot, followed by a scene of blackened rubble after the blaze. Leonard said he hoped to rebuild and reopen someday.
In more than two dozen witnesses, the prosecution offered a picture of Rinderknecht in the months leading up to the fire as a troubled, angry man, increasingly bitter about failed relationships, low finances, the current administration, and a society he believed was divided by cruel corporate overseers who had built a wall between the wealthy and everyone else.
Bent on revenge, the U.S. Attorney’s Office alleges, Rinderknecht spontaneously lit a small brush fire around midnight on New Year’s Eve 2025 near the Hidden Buddha clearing, a deserted area near the Palisades’ Summit neighborhood where the former Uber driver once lived. That brush fire, dubbed the Lachman Fire for a nearby street, was initially thought to have been extinguished by firefighters who rushed to the scene.
However, the fire — known as a “holdover” fire — smoldered underground for six days in the root system of brushes and trees before bursting into view as the deadly Palisades Fire on Jan. 7, 2025, bolstered by strong Santa Ana winds, according to expert witnesses called by prosecutors during the trial.
Telling investigators he was walking alone in the area around midnight on Dec. 31, 2024, Rinderknecht denied setting a fire, but eventually said he may have smoked a cigarette or two while on the trail. When questioned several weeks after the fire, but months before he was arrested, Rinderknecht claimed he could not remember what brand he smoked or how he lit the cigarettes.
According to evidence presented to the jury, law enforcement determined — using witness statements, video surveillance, cell phone data, and analysis of fire dynamics and patterns at the scene, among other things — that Rinderknecht did “maliciously” set the Lachman Fire.
At 12:12 a.m. Jan. 1, 2025, environmental sensing platforms indicated the Lachman Fire had begun. During the next five minutes, Rinderknecht called 911 several times, but didn’t get through because his iPhone was out of range. When he finally connected with 911, he was at the bottom of the hiking trail and reported the fire. By that point, a nearby resident already had reported the blaze to authorities.
Prosecution witnesses testified that Rinderknecht drove away in his car, passing fire engines driving in the opposite direction. He then turned around and followed the fire engines to the scene, evidence showed.
He walked up the same trail from earlier that night to watch the fire and the firefighters. At roughly 1:02 a.m., he used his iPhone to take videos of the scene.
During a daylong interview with law enforcement on Jan. 24, 2025, Rinderknecht allegedly lied about where he was when he first saw the Lachman Fire, ATF agents testified. While claiming he was near the bottom of a hiking trail when he first saw the fire and called 911, geolocation data from his iPhone carrier showed that he was standing in a clearing 30 feet from the fire as it rapidly grew, the jury was told.
Prosecutors contend a green Bic grill lighter found in Rinderknecht’s rented car was used to set the initial fire.
On Thursday, defense attorney Steven Haney began his case for Rinderknecht’s acquittal.
Four witnesses, including a resident of the area who said he heard what he thought were fireworks on New Year’s Eve, and a college student whom Rinderknecht drove for 10 minutes in his Uber vehicle on the night of the Lachman Fire and remembered the defendant as quiet and normal-seeming, were on and off the stand within roughly an hour.
The most destructive wildfire in Los Angeles history, the Palisades Fire burned 23,448 acres and ruined much of the exclusive Pacific Palisades community, destroying about 6,800 structures and killing 12 people.
Also last week, certified fire investigator Derek Hill told jurors that investigators did not believe fireworks caused the Lachman Fire, although the possibility was explored early on and quickly dismissed.
In pretrial hearings, U.S. District Judge Anne Hwang ruled that the defense may not attempt to shift the blame for the Palisades Fire to the L.A. Fire Department, which has been blamed for allegedly failing to completely extinguish the Lachman Fire.
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