[1] Illegal nuclear proliferation [2] Potential terrorism, it is a breeding ground for it. Lot of past perpetrators got training, planned it there or had some

[1] Illegal nuclear proliferation [2] Potential terrorism, it is a breeding ground for it. Lot of past perpetrators got training, planned it there or had some connection. [1] https://www.justice.gov/opa/pr/five-men-indicted-operating-international-procurement-network-export-us-origin-goods-pakistan https://www.justice.gov/opa/pr/five-men-indicted-operating-i... [2] Lot of Wikipedia pages on Pakistani involvement in terror attacks on US: San Bernardino shooting, aaifa siddiqui case, support for OBL etc