Authorities in Southern Mexico Are Investigating Alleged Corruption in Their Special Operations Unit.

By EDGAR H. CLEMENTE TAPACHULA, Mexico (AP) — Authorities in the southern state of Chiapas said Friday they are investigating alleged corruption and collusion with organized crime within an elite group created five months ago to combat drug cartels. Carlos Javier Pineda, head of the Pakal special operations unit, said Thursday night that an investigation has been opened following allegations made by one of the members of that force who, hours ea…