The crime scene DNA sample matched that of one of DeAngelos relatives.

Liz Garbus, director of the HBO docuseries, celebrated DeAngelo’s guilty plea on Monday.

“Guilty plea to all charges counts.

Joseph James DeAngelo

Credit: Randy Pench/Getty Images

Guilty of 13 counts of murder.

Uncharged acts to be admitted to.

This is huge for survivors,” she tweeted after the news broke.

ill-be-gone-in-the-dark

HarperCollins Publishers; Jim Spellman/WireImage

Patton Oswalt, McNamara’s husband, also reacted to the news.

“The most important people at the #GoldenStateKiller hearing today are the survivors.

Thats what Im focusing on,” the comedian tweeted.

“It was a deeply emotional project for everybody who worked on it.”