from the article:
Apparently, the policies were for $50,000 - $80,0000 and were taken out on any employee from 18-70 who participated in Walmart's health plan. They stopped doing this in 1995, but continued collecting the money on employees and ex-employees who died. Walmart canceled the policies altogether in 2000.
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I don't really shop there anyway, but I'm glad they stopped. This will NOT improve their reputation. This chain has gone downhill considerably since Mr. Walton died.