Tiger King: Murder, Mayhem and Madness was released in March. And in the past few weeks, the true-crime series has managed to break the internet. It has taken the internet by storm and people can’t stop talking about it. Following the docu-series’ overwhelming success, various celebrities are coming forward in support of the big cats, Variety reported. The list includes Joker actor Joaquin Phoenix, who has urged the US Government to pass The Big Cat Public Safety Act.