Disturbing footage shows sisters grinning as they are arrested for allegedly stabbing mum-of-five to death

Two sisters and their friend have been arrested after allegedly stabbing a mum-of-five to death in the middle of the street. Kitty Mia Diaz, 21, Amaya Cookie Diaz, 19, and their 21-year-old friend Kyandra Renee Faz , 21, have been arrested on murder charges after victim Caroline ‘Caro’ Peña, 32,…