DeRay Mckesson is an American civil rights activist and educator. Mckesson is a member of the Black Lives Matter movement and is known for his activism via social media outlets such as Twitter and Instagram and has been active in the protests inFerguson, Missouri and Baltimore, Maryland. Mckesson has also written for The Huffington Post and The Guardian. Along with Johnetta Elzie, Brittany Packnett, and Samuel Sinyangwe, Mckesson launched Campaign Zero, a policy platform to end police violence.
Bloodletting (or blood-letting) is the withdrawal of blood from a patient to cure or prevent illness and disease.