Christian Coleman and Salwa Eid Naser could miss the Olympics for what are known in the antidoping world as whereabouts failures — the failure to be where they said they'd be when testers came calling, unannounced, to collect a urine or blood sample.
It's part of a system of no-notice, out-of-competition testing that is considered the best deterrent to illicit drug use in sports.
Other recent cases — one involving a British hammer thrower who said he was fishing when he really went to see his mom, another involving a Russian high jumper whose whereabouts forms were forged by team officials — have only heightened the feeling that a routine piece of bookkeeping can be anything but that.
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