Breaking Bad actor RJ Mitte died by suicide at his home in Brownsville, Texas, on October 12. He was 34. His representative shared a statement with Variety, confirming the cause of death.“It is with profound sadness that we share the tragic passing of beloved actor, philanthropist, and passionate disability rights advocate RJ Mitte. Drawing from his own experience living with cerebral palsy, Mitte brought authenticity to the role and built a platform on disability awareness and inclusion.”RJ Mitte’s sister Lacianne Carriere, 22, is an actress, singer, dancer, and animal activist, according to IMDb. She reposted several tributes for her brother on her Instagram Stories and wrote in one of them:“Thank you for all the condolences and kind words; they mean a lot. I will not be sharing information at this time.”The Brownsville Police Department responded to an emergency call at 12:50 PM on Monday and declared RJ Mitte dead on arrival.Mitte's sister comments on her brother's death. (Image via Instagram/@lacianne)All you need to know about RJ Mitte’s sisterRJ Mitte was born in Jackson, Mississippi, in August 1992. His parents, Roy Frank Mitte Jr. and Dyna Mitte, adopted him when he was a few weeks old. However, they divorced when he was two months old.In a 2019 interview with The Sydney Morning Herald, RJ noted:“The reason Mom adopted me was that she’d had ovarian cancer and was told she couldn’t have children. Then, magically, 11 years later, my sister Lacianne came along.”Mitte also spoke about his mother being a single parent and added:“I have devoted my life to my mom and my sister, and I still take care of them today.”According to RJ Mitte, his sister was cast in a commercial when she was only 18 months old after a talent agent spotted her in a water park.“By then I was legally allowed to work in the film industry, so we moved to Los Angeles, where I have been ever since,” he explained.Besides being a child actor, Lacianne Carriere also worked in movie productions. Meanwhile, her brother worked as an actor, producer, philanthropist, and activist. View this post on Instagram Instagram PostAccording to IMDb, Carriere was born in Lafayette, Louisiana, and moved to Los Angeles, California, when she was two. Over the years, she has worked in films, TV shows, and commercials. Her most notable projects include the live-action sitcom It’s Always Sunny in Philadelphia and the Nickelodeon teen sitcom Victorious. Lacianne is signed to Dramatic Artists Agency.RJ Mitte’s sister is in a relationship with fellow actor Monty Geer. Earlier this month, they celebrated their first anniversary. Geer shared an Instagram post with the caption:“For our one-year anniversary, we spent a few days camping and hiking in Yosemite. It was her idea, and I love that. Best year of my life. I love you so much and love having an adventure partner like you.”On August 21, Lacianne Carriere shared a birthday post for the “coolest brother around” with a series of pictures.When RJ was busy filming Breaking Bad in Albuquerque, New Mexico, his mother and sister lived with him, according to Stuff.co.nz.