By Matt Shafer Powell and Leslie Snow
Most days, Rusty rides a bus to work at a Walgreens in Knoxville. The bus drops her off an hour and a half before her shift, and picks her up more than an hour after she clocks out.
Rusty, who would prefer her last name not be used because of the sensitivity of her financial situation, is part of a large segment of the Tennessee population for whom security is an unaffordable luxury.
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