>> you know it costs us $190,000 a year for dialysis for just one patient. mississippi taxpayers ought not to be paying for that. >> reporter: but the sister who's donating her kidney had already agreed to do so months ago, without a reward. and the governor knew that. there's a sense here he may be trying to right a serious wrong. >> there are a whole bunch of people here in this state who are on dialysis right now, probably should be released. if governor barbour didn't think this was a case of injustice, he wouldn't have acted. >> reporter: governor barbour isn't commenting further. the people who marched on the state capitol and appealed to him for months say they now take pride in his grace. and say the sisters could be home in days. steve osunsami, abc news, atlanta. there was a shaky end to 2010 for residents of indiana, and four other midwestern states. the region was hit by a 3.8 earthquake which struck about 50 miles north of indianapolis.