Johnny Depp has hired Kathleen Zellner onto his legal team in his ongoing lawsuit against ex-wife Amber Heard. The powerhouse attorney is famous for overturning wrongful convictions, and gained widespread public notoriety for her work representing Steven Avery shown in Netflix’s hit docuseries Making a Murderer. “I have spent the last 30 plus years defending individuals who have been falsely accused of wrongdoing,” Zellner explained in a statement to Page Six. AUSTRALIA DEPUTY PRIME MINISTER BARNABY JOYCE REPORTEDLY SHADES AMBER HEARD AFTER ACTRESS NAMES HER NEW DOG AFTER THE POLITICIAN FOLLOW…