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It is the question asked by so many people trying to will the story of Amy Lord’s murder to a different end: Why didn’t she run when she appeared to have the chance?
Specialists consulted by the Globe said that Lord was probably in such fear of her assailant that escape did not seem possible.
A surveillance camera captured the 24-year-old stepping out of the passenger side of a sport utility vehicle, along a busy road in the morning light, apparently to withdraw cash from a bank machine while her attacker waited in the car.
It is impossible to know what was going through Lord’s mind. But a law enforcement official said her attacker brutally beat her that morning, and the experts said that trauma could help explain why she did not escape.