Credit: Lloyd Lee Welch Jr., stands during a plea agreement hearing for the killings of Sheila and Katherine Lyon in 1975, in Bedford County Circuit Court in Bedford, Va., Tuesday, Sept. 12, 2017. Welch, who pleaded guilty in the killing of the two young sisters from Maryland, was sentenced Tuesday to two 48-year prison terms, more than four decades after the girls vanished during a trip to a local shopping mall. (Lathan Goumas /News & Daily Advance via AP, Pool)

Welch pleads guilty to 1st-degree murder in 1975 Lyon sisters killings

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