UPDATED 5:25 p.m.

A case against a Portland antifascist activist accused of harassing a Patriot Prayer supporter ended in a mistrial earlier this month.

But now, the defendant’s attorney is asking for an investigation of how one of the jurors answered questions during the jury selection process. John Schlosser, the attorney for defendant Luis Marquez, has asked the Multnomah County Sheriff’s Office to investigate juror Tristen-Renee Morrigan-Barhite for perjury.

Marquez, a prominent figure in left-wing circles, was charged with harassing Gregory Isaacson, a Patriot Prayer supporter and right-wing activist who works for Portland Parks & Recreation. The case went to trial, and on Feb. 7, ended in a mistrial after five jurors voted to acquit Marquez of a misdemeanor, and the lone holdout, Morrigan-Barhite, voted to convict him.

The case stems from a January 2018 interaction between Marquez and Isaacson at a protest, where court documents allege Marquez tried to use his body to block Isaacson several times as he rode his bicycle and walked with a group of protesters. According to the arrest warrant, Marquez pushed Isaacson into a parked car. A YouTube video shot by another far-right activist shows Marquez repeatedly standing in front of Isaacson’s bike as he tried to ride through an anti-Trump protest, and tensions between the two escalating.

After a hearing on Friday, the court dismissed Marquez’s case. But Schlosser filed a report asking the sheriff’s office to look into how Morrigan-Barhite responded to questions about her political affiliations during the jury selection process and her connection to the plaintiff.

“It looks like she was at rallies, and had connections with lots of Patriot Prayer people," Schlosser said.

Morrigan-Barhite did not respond to request for comment.

According to an article published this week by Rose City Antifa, Morrigan-Barhite is a “close affiliate” of Patriot Prayer, and has been photographed at events for the group. She is in pictures with well-known right-wing activists including Hayley Adams, Reggie Axtell and others. She is shown engaging with Patriot Prayer members and affiliates on Facebook. The Rose City Antifa article also notes that she is an active member of the III% Oregon State Militia group, another far-right group.

Morrigan-Barhite and Isaacson are also friends on Facebook.

According to the Rose City Antifa article, a videographer filmed and posted an interview with Morrigan-Barhite, in which she identified herself as the lone dissenting juror. The article states that Morrigan-Barhite also noted that someone on social media identified her as an antifa member, and she said that she was “actually quite the opposite.”

In messages to The Oregonian/OregonLive on Friday, Isaacson said the first time he met Morrigan-Barhite was outside the courthouse, after the trial resulted in a hung jury on Feb. 7.

“I was leaving the courthouse at the same time as the jurors and asked them if they’d like to chat,” Isaacson said. “Tristen was (the only one) kind enough to talk about some of the deliberations. Afterwards she found me on FB and friend requested, I reciprocated.”

Isaacson did not say whether he knew about the specific perjury allegations against Morrigan-Barhite, but said that he did not know she was affiliated with Patriot Prayer.

“I hear a lot, and dismiss most allegations from antifa,” he said.

In an email to The Oregonian/OregonLive, Multnomah County Courts spokeswoman Rachel McCarthy explained the process the court goes through to weed out people from the jury pool with potential conflicts.

“Oregon’s Uniform Jury Instructions ask jurors, ‘Do any of you feel that your personal views concerning this type of case might affect your ability to be fair and impartial in this case?’” McCarthy said. “If the juror answers affirmatively, they cannot serve on the jury."

Multnomah County District Attorney’s Office Spokesman Brent Weisberg said he couldn’t discuss the specifics of the case, but said the DA’s office was aware of the allegations highlighted in the Rose City Antifa article.

“We are looking into the matters raised and that part of our review will require us to go over what information was presented during jury selection,” Weisberg said in an email to The Oregonian/OregonLive.

Schlosser said he feels it’s important to investigate Morrigan-Barhite for the integrity of court proceedings.

“People know this is not OK,” he said. “People have to self-police, and the court system has to trust that people coming in will take that oath seriously.”

Chris Liedle, a spokesman for the Multnomah County Sheriff’s Office, said the office took a report for the perjury allegation on Friday. He said since 2015, the office has received 18 reports of perjury, but said in many cases they’ve been suspended because there is not enough evidence to pursue the charge.

According to a 2018 article by Willamette Week, the original case was born out of the Portland Police Bureau’s investigation into Marquez at the request of Patriot Prayer leader Joey Gibson, who sent Portland Lt. Jeff Niiya a video of Marquez repeatedly blocking Isaacson during a protest, and complained about Marquez’s behavior.

Niiya, who at the time was crowd control liaison for the bureau, sent the video and an email to several others in the bureau, and said he thought Marquez should have been arrested. Days later, another officer responded saying he thought the case was prosecutable.

Niiya was investigated in 2019 for friendly text messages he exchanged with Gibson over a period of nearly two years, but was cleared of any wrongdoing through an investigation by the city’s Independent Police Review.

—Jayati Ramakrishnan; 503-221-4320; jramakrishnan@oregonian.com; @JRamakrishnanOR

—Shane Dixon Kavanaugh; 503-294-7632; skavanaugh@oregonian.com; @shanedkavanaugh