Operation in Plain Sight deals `` serious blow '' to smugglers , Homeland Security official says . Eight hundred agents and officers from nine agencies mobilized in Arizona . They arrested more than 100 people on charges of smuggling drugs into the U.S. Score: 6 Title: TIL that there is a species of fish called the "sea cow" which has been found Saying U.S. sends `` mixed messages , '' raids ' timing draws ire of immigration group official .
Operation in Plain Sight deals `` serious blow '' to smugglers , Homeland Security official says . Eight hundred agents and officers from nine agencies mobilized in Arizona . Owners , employees of 5 Arizona shuttle services are among those taken into custody . Saying U.S. sends `` mixed messages , '' raids ' timing draws ire of immigration group official .