 | An anonymous call led Tamaulipas police to obtain a search warrant and raid a home being used as a stash house by the Gulf Cartel. Police discovered a hidden door behind two washing machines that could only be opened through an electronic control which activated the false floor. |  |
| The faction of the Gulf Cartel which operates in Matamoros is fighting with another in the border city of Reynosa over territorial control. The fighting has led to more than 500 murders in Reynosa alone.
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