Because be kids could walk home alone. Afterw, people could not unde how two blonde sisters cou just vanish like that. W 39 years later, it looks like they are the closest they been. But police say they need your help. Montgom dets say d allen welch senior was a Security Guard near whean pla in the 1970s. Our feeling is were cl to resolution than we have ever been. Police say he is out 20 years older than his nephew, l lee welch jr. , who also went by the name michael, named a person of interest earlr ts year in february. The news4 iteam has learned that at le a half dozen peop have now come forward since febr, all saying they were approd by a man with a badge at Wheaton Plaza, who accuse them of stealing, and tried to grab them. At lea one of these incidents happ two years after the lyon sisters vanished. 12yea sheila and her 10yd sister, kathryn, we last seen at Wheaton Plaza mah 25th, 1975. Theye wal to their home a half mile away, but never arri sketc was made from a desc giv by a