Joseph Wolski

In this Feb. 5, 2016, photo, a mail clerk at the Wynne Unit of the Texas prison system makes her way through a box of letters for inmates in Huntsville, Texas. Every piece of mail is checked for contraband, like drugs hidden under stamps, or messages or words in correspondence that suggest violence or escape plans, as well as attempts by convicts to profit from some enterprise or business while behind bars. (AP Photo/Pat Sullivan)

USPS, CBP cooperate to stop illegal substances coming via mail

The program sends CBP data about foreign inbound packages and will hold some deemed suspicious.

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