When black teen Jordan Davis was shot the week of Thanksgiving by white man Michael Dunn, for many, memories of Trayvon Martin's death at the hands of George Zimmerman earlier this year came flooding back. On Saturday, MSNBC host Melissa Harris-Perry took this link further, back to Emmett Till, a young man from Chicago who was beaten and lynched for whistling at a white woman while visiting the Southern state of Mississippi in 1955. The parallels between these three cases are, as Harris-Perry highlights, that these young black men weren't seen as human beings but rather threats that needed to be conquered. And that's not an America anyone wants for young black boys.

Watch Melissa Harris-Perry deliver her open letter to the American public:

Watch more at MSNBC.

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