McALLEN, Texas — Three South Texas law enforcement officers, including the son of a county sheriff, are likely to spend the weekend in custody on charges accusing them and another officer of accepting thousands of dollars in bribes to guard shipments of cocaine....

Prosecutors say the four were members of a task force called the Panama Unit that fights drug trafficking. Instead of combatting the drug trade, prosecutors say the four provided protection for it....

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Related:

"A grand jury will consider the case of two Guatemalan immigrants killed when a Texas state trooper in a helicopter opened fire to stop a tarp-covered truck that authorities thought was ferrying drugs near the Mexico border, a prosecutor said Wednesday."