The militarisation of public security however inevitable in the short term carries the risk that Mexico will still not get the civilian, community-based policing it needs to prevent and investigate crime.
Their replacement with loyalists from the Revolutionary Guard, the ideologically zealous parallel to the regular army that also controls the baseej, has raised alarm even among conservatives of creeping militarisation.
General Alexander's seven-month confirmation process is a sign of the qualms senators felt at the merging of military and espionage functions, the militarisation of cyberspace and the fear that it may undermine Americans' right to privacy.