The cartel crisis Mexico wants to hide this World Cup | On The Ground

More than 130,000 people have disappeared in Mexico's cartel violence, and two families use the global attention of a home World Cup to force the government to look for their missing relatives. The film follows them from digging for remains to confronting police outside the Azteca Stadium, unwilling to let the tournament drown out the search.

Why it's free: Free on The Guardian's own channel; the paper produced and published it.