Leah Remini has broken her silence around the death of Mike Rinder, a Scientology whistleblower who earned an Emmy for exposing the secret organization, and recently died. "On Sunday, we lost a giant,

Leah Remini is mourning the loss of her beloved friend and colleague. Following the death of Mike Rinder on Sunday at age 69, the actress, 54, paid homage to the late star on social media.

Mike Rinder, a former prominent scientologist turned vocal critic of the organization, died at age 69 on Sunday