While it would be a formidable task to check every study Wagenaar et al. subsumed in their meta-analysis, a quick check to find out whether they included a study with a known systematic bias reveals the study included Chesson et al., a study by the Centers for Disease Control which claimed that increased beer taxes could reduce the rate of gonorrhea.
His firm uses Fastcase for quick searches and to cross-check citations, but he says it has a "phenomenal niche" serving smaller firms that can't afford Wexis.
Voyager Systems sells the government high-speed wireless devices that can run a quick background check on a suspect over multiple credit and criminal databases.
If all goes well, the system could check up to 1, 200 passengers every hour at a single gate -- a rate quick enough to prevent a logjam at even the busiest terminals.