It’s possible to watch the first short by Lucas’s fellow USC grad, Ryan Coogler, online as well, and it’s very much worth it: It’s ground zero for a director whose combination of smart storytelling instincts, technical skill, and sociopolitical savvy has proved formidable in a short period of time. . . . That searching, intuitive sensibility, distinct from both the loose, aimless vibe of mumblecore or the suffocating formalism of micromanager-auteurs, is palpable in 2009’s Locks.