and Tim Bradford investigate a disturbing murder case involving a juvenile suspect. Technical Context: libvpx

Until he deletes the only copy of the 2009 case files. Grey’s past — wiped.

and Angela Lopez visit a TV set to advise "TV cops" on realistic procedures.

Nolan looks at the servers. Reads a label:

libvpx is a free, open-source video codec library developed by Google and the Alliance for Open Media.