Originally Posted by
airmotive
...WHO TRAVELED FREQUENTLY ENOUGH TO BE A KNOWN RISK FACTOR AND WHO VOLUNTEERED FOR GE BACKGROUND CHECKS,
Pre-Check and GE are two different programs run by two different government agencies for two different purposes. One has nothing to do with the other. While those who are deemed GE eligible by customs are assumed safe and given Pre-Check by TSA, there is no requirement to have GE to be eligible for Pre-Check.