“Some stories you can’t tell,” one reporter grimly warns another over drinks in an early scene of the TNT series “I Am the Night,” airing at 9 p.m. Mondays. “Some stories will eat you alive.”

It’s the kind of hard-boiled dialogue that helped establish a tradition of L.A. noir that includes Raymond Chandler and James Ellroy. As envisioned by “Wonder Woman” director Patty Jenkins, this miniseries continues that legacy with a compelling new angle on the grisly unsolved 1949 killing of a woman who became known as the Black Dahlia.

“This (story) really rocked me,” says Jenkins, who directed all six episodes of “I Am the Night” before starting work on the blockbuster superhero sequel-in-waiting, “Wonder Woman 1984.” “I actually fully and really believe this is the truth of what happened.”

Adapted by Jenkins’ husband, Sam Sheridan, the series tells the story of Fauna Hodel, whose 2008 memoir “One Day She’ll Darken” mixes elements of race, identity and one of the most famous homicides of the 20th century in a way that consumed Jenkins in such a way she was initially a bit wary as well.

“I met (Hodel) years ago, and she sat down and told me her story, and it so blew me away,” Jenkins says, speaking by phone just before the new year. “I was a little freaked out by it because it was so dark and kind of scary, and I had a very young child at the time and was like, ‘Oooh, do you want to take this on?’”

Hodel grew up Patricia Ann Greenway and was raised by a black family in Sparks, Nev. Believing her biological father was African American, Hodel experienced the racism and segregation integral to the black experience in America, especially in the early 1960s, when much of “I Am the Night” takes place. Not long after high school, Hodel learned her actual birth name and fled an abusive home to Los Angeles to connect with her biological grandfather, George Hodel.

A prominent L.A. physician, Dr. Hodel came under scrutiny in 1949 amid accusations that he molested his daughter, Tamar Hodel, Fauna’s mother. He was acquitted, but the LAPD considered him a suspect in the killing of aspiring actress Elizabeth Short. The brutal and disturbing circumstances of Short’s death captured tabloid headlines and led her to be dubbed the Black Dahlia in one of the most famous true crime mysteries.

Jenkins was mesmerized by Hodel’s story, but she envisioned it as something larger in scope than another Black Dahlia-tilted feature film. As time went on, the likelihood of working with Hodel on her story appeared to grow slim, especially as Jenkins’ schedule grew crowded with the next “Wonder Woman” installment.

“Fauna was calling me and trying to get my advice about doing the project with someone else and saying to me, ‘But I still wish it was you,’” Jenkins remembers, “and I was saying, ‘Fauna, I’m just too busy. I don’t want you to have to wait for me.’ But I was telling the story to [‘Wonder Woman’ costar] Chris Pine, and he just freaked out: ‘You have to do that story. That story’s incredible.’”

Pine soon came on board to portray Jay Singletary, a PTSD-haunted newspaper reporter whose career was derailed by pursuing Hodel in the Dahlia case, and Jenkins and Sheridan soon found themselves creating “I Am the Night” in the tight window between “Wonder Woman” movies, with India Eisley cast as Fauna.

But just before filming began, Hodel was diagnosed with cancer and, in 2017, died, a development Jenkins still calls “shocking.” (Daughters Rasha and Yvette were frequently on set, however, and Jenkins says they were “integrally involved” in the miniseries.)

Though Jenkins’ career began with the 2003 feature “Monster,” this miniseries marks a return to familiar ground on a few levels. Before “Wonder Woman,” she directed episodes of “Arrested Development,” “Entourage” and, in another dip toward the world of homicide, the first season of Veena Sud’s “The Killing.”

“I like to work, and I like to experiment with other things,” she says. “I don’t want to have to be waiting for my next feature to get to work and try different things and tell different kinds of stories.”

Though she doesn’t consider herself a dark person, Jenkins recognizes a tendency toward stories that approach the worst in human behavior. “I think it’s because I am very captivated by truth and I’m comfortable dealing with whatever I find there,” she says. “I’m not super into escapist/alternate realities of what mankind is. Even in ‘Wonder Woman,’ I’m very interested in embracing the darkness and the light of mankind.”

That approach lends itself nicely to the gray shadows of “I Am the Night,” which with its story of dogged investigators, powerful people and the secrets hidden in hillside mansions taps a cinematic bloodline for the city that runs from “The Big Sleep” to “Chinatown.” It was a lineage that Jenkins was eager to join.

“To add to the voice of L.A. noir was super cool because that’s something that’s been shot many times and has all of these specific things associated with it,” she says. “So instead of being the ‘40s, you’re in the ‘60s and trying to completely embrace that time period and what it felt like. But then to fold it into a style that fits with noir in a new way was really awesome.”