. >> carson sprott: $150,000. >> charles olson: over $150,000. >> stahl: charles olson, a marine; carsonther tregle, jonathan hirsch, and brandon jones. they say the rules laid out in the law seemed clear-- they had to be employed in a public service job and repay typically small increments of their loans till they reached 120 payments. and whatever remained of their debt at that point would vanish: no matter how much. how many of you, in your own mind, think that you have paid up the 120 months and that you deserve to be forgiven? all of you. but all of them were told they're mistaken. they were off by years. were any of you derelict in making your payments? >> all: never. no. no. never. >> sprott: as military members, if we fail to pay our debts, we're subject to discipline under the uniform code of >> jones: and our ri clearances are on the line. so, all this-- >> stahl: if you don't pay, you lose your security clearance? >> jones: you can. if you default on your loan, you can lose your security clearance. >> stahl: they all say they were walked through a bureaucratic maze that trippe