On the 10th anniversary of Michelle McNamara's death, her husband, actor Patton Oswalt, shared a touching tribute on Instagram, stating, “Ten years gone. Miss you, baby.” McNamara, a beloved true crime author and journalist, passed away unexpectedly in 2016 at the age of 46. Her most notable work, 'I’ll Be Gone in the Dark,' details her investigation into the Golden State Killer case and was published posthumously in 2018, further solidifying her impact on the genre. Tragically, McNamara's death was ruled accidental, resulting from a combination of an undiagnosed heart condition and the effects of prescription medications. Since her passing, Oswalt has publicly honored her memory, reflecting on grief and their daughter Alice, who is now a teenager. McNamara's legacy continues to influence the true crime genre, inspiring both readers and viewers through her meticulous storytelling and the documentary series based on her work.