Article continues below advertisementIn a devastating update, Saturday Night Live writer Jimmy Fowlie shared that his sister who had been missing for months, Christina Lynn Downer, has been declared deceased.Fowlie, 40, revealed the heartbreaking news via social media on Wednesday, April 29, writing on Instagram: "The LAPD has informed our family that Christina is no longer alive, and the case has officially transitioned from a missing person to a homicide investigation.