" … But an analysis of data from the southern border indicates that the vast majority of narcotics enters through U.S. ports of entry, not the wide swaths of border in between where additional barriers could be erected.
According to U.S. Customs and Border Protection statistics, 90 percent of heroin seized along the border, 88 percent of cocaine, 87 percent of methamphetamine, and 80 percent of fentanyl in the first 11 months of the 2018 fiscal year was caught trying to be smuggled in at legal crossing points.
While those numbers deal only with drugs that are caught, border experts say the data accurately reflect the way drug cartels successfully smuggle narcotics into the country.
" … But an analysis of data from the southern border indicates that the vast majority of narcotics enters through U.S. ports of entry, not the wide swaths of border in between where additional barriers could be erected.
According to U.S. Customs and Border Protection statistics, 90 percent of heroin seized along the border, 88 percent of cocaine, 87 percent of methamphetamine, and 80 percent of fentanyl in the first 11 months of the 2018 fiscal year was caught trying to be smuggled in at legal crossing points.
While those numbers deal only with drugs that are caught, border experts say the data accurately reflect the way drug cartels successfully smuggle narcotics into the country.
…"
https://www.usatoday.com/story/news/politics/2019/01/16/fact-check-mike-pence-donald-trump-drugs-crossing-southern-border-wall/2591279002/