The unserved 1955 warrant would have charged a white woman for kidnapping Emmett Till.
The arrest warrant for Carolyn Bryant Donham was discovered last week and Till's family wants her to be charged nearly 70 years later.
Relatives of Emmett Till have been stymied in their calls for a renewed investigation into his lynching in Mississippi in 1955.
Lawmakers have tried to pass nearly 200 anti-lynching bills since 1918. The new law makes using the "weapon of racial terror" a federal hate crime.
Sen. Cory Booker (D-N.J.) and Sen. Kamala Harris (D-Calif.) issued fierce criticisms of Sen. Rand Paul (R-Kent.), who held up passage of an anti-lynching bill he previously voted to pass.
Till's relatives want authorities to prosecute a white woman at the center of the case from the very beginning.
Years in the making, the Emmett Till Anti-Lynching Act is finally headed to President Joe Biden's desk to be signed into law.
Sens. Cory Booker, D-N.J. and Richard Burr, R-N.C., introduced the bill to honor Till and his mother with the highest civilian honor that Congress awards.
The DOJ closed its investigation after finding “insufficient evidence” that a white woman had recanted her claims that led to the Black 14-year-old’s lynching.
A nonprofit plans to turn his home into a pilgrimage site, educating visitors about the slain teen's life while "rewriting the narrative of who Black people are.”