The Man Who Killed Aurra Sing
When Lando first encounters Beckett, he’s impressed to meet him as he knows the man by reputation, as he’s the one who killed Aurra Sing. Beckett says that he only pushed her and it was the fall that killed her. Lando is still grateful, though, as he reveals that he owed her a lot of money.
Of course, Aurra Sing is another bounty hunter. She made her Star Wars debut in The Phantom Menace – she can be glimpsed watching the pod racing on Tatooine – and as with every minor character in the canon, other mediums expanded her presence in the galaxy. She and Bossk actually have a similar role in The Clone Wars, as both of them train Boba Fett. She’s also teamed up with Cad Bane and worked for Jabba’s evil uncle, Ziro.
It was a bit odd that she wasn’t seen during the Original Trilogy alongside many of her other bounty hunter compadres, but now we know that’s because she was previously offed by Beckett.