AP Explains: Trump says wall will stop drugs, facts differ

PHOENIX (AP) — In his demands that Congress set aside $5.7 billion for a border wall, President Donald Trump insists a physical barrier would stop heroin entering the U.S. from Mexico.
But U.S. statistics, analysts and testimony at the trial of drug kingpin Joaquin “El Chapo” Guzman in New York show that most hard drugs entering the U.S. from Mexico come through land ports of entry staffed by agents, not open sections of the border.
The Drug Enforcement Administration’s 2