TECS, formerly known as the Treasury Enforcement Communications System, is used by the U.S. Department of Homeland Security to manage the flow of people through border ports of entry and for immigration enforcement case management. It keeps track of individuals entering and exiting the country and of individuals involved in or suspected to be involved in crimes. TECS alerts may be issued as part of

Operation Angel Watch Operation Angel Watch is an intelligence-driven program targeting American registered sex offenders traveling abroad who the Department of Homeland Security's Immigration and Customs Enforcement department (ICE) believes are likely to engage in chil ...

for people with sex offense convictions and those who travel frequently out of the country and who are possibly involved in

child sex tourism Child sex tourism (CST) is tourism for the purpose of engaging in the prostitution of children, which is commercially facilitated child sexual abuse. The definition of '' child'' in the United Nations Convention on the Rights of the Child is "ev ...

References

Borders of the United States Immigration to the United States United States Department of Homeland Security {{US-gov-stub