Who really killed martin luther king jr?

The answer you are looking for is: 
James Earl Ray 
Hope that helps!! 
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James Earl Ray killed Martin Luther King Jr..
I hope this helps.(^_^)

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.