TEGUCIGALPA, Honduras- A 13-year-old gang member and his teenaged bodyguard have been arrested in the killing of a U.S. Drug Enforcement Administration agent during an apparent bungled robbery, a Honduran official said Sunday. DEA Special Agent Timothy Markey was shot to death on Friday while on vacation visiting a popular Roman Catholic shrine in Tegucigalpa. The suspects were identified as Erlan Colindres, who has escaped three times from correctional centers, and his 13-year-old bodyguard Manuel Romero. Police described both as seasoned gang members. "They are dangerous offenders, despite their young ages," Honduran Security Minister Oscar Alvarez said Sunday. Honduran authorities...