''Sin Nombre'' (''Nameless'') is 2009 independent film by Cary Joji Fukunaga.

It follows the story of Mara Salvatrucha gangster Willy, (AKA El Casper) and Honduran immigrant Sayra as they try make it north through Mexico and into the United States.

!!''Sin Nombre'' provides examples of:

* ArchEnemy: [[EvilVersusEvil 18th Street Gang and Mara Salavatrucha]]
* AssholeVictim: It's very hard to feel sorry for Lil Mago when he gets killed by Willy.
* AttemptedRape: Both times by Lil Mago
* BittersweetEnding: Sayra makes it to the US but [[spoiler: loses Willy and her father along the way. Her uncle is deported back to Honduras]].
* ChekhovsGun: Yessinia's phone number
* ChildrenForcedToKill: Smiley is only accepted after he kills a former 18th street gang member who was held prisoner.
* CycleOfRevenge: Between 18th street and Mara Salvatrucha
* DeathByFallingOver: Willy's girlfriend is accidentally killed this way by Lil Mago while trying to rape her.
* HeroicSacrifice: Seeing that the Mara Salvatruchas have caught up to him and knowing that, even if he does escape, [[DeadManWalking he is doomed]] because the gang will never stop hunting him down, Willy [[spoiler: makes sure that Sayra gets to safety by crossing the river (paying her way by giving the man who's helping her cross a camera that contains precious videos and photos of his murdered girlfriend), and runs in the opposite direction, distracting the gang members and ensuring that none of them try to go after Sayra. He's rewarded by being pumped full of bullets.]]
* ImperialStormtrooperMarksmanshipAcademy: 18th street
* SecretHandshake: How MS gang members identify each other.
* TruthInTelevision: Its not uncommon for kids Smiley's age to join MS and kill at that age. A lot of recruitment is done at Elementary and Middle School level.
* WeAreEverywhere: After El Sol takes over Lil Mago's clique he sends Willy a message that every MS member looking for him. Smiley mission to kill Willy is helped by various members along the way.