Denise and Chris say the holidays are difficult to celebrate.

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Denise and Chris, Jennifer's parents, were also severely injured in the crash. Chris, a respected police officer, had to have his leg amputated. Still, the emotional wounds run deeper—they say the accident destroyed their once close-knit family. "We struggle to be a family that celebrates holidays together," Denise says.

As a respected police officer, Chris says he's seen drunk drivers and pulled them over, but he never thought drunk driving could affect his family. "It really never occurred to me that this could happen to me. I hate to be naive. I know it happens," he says. "But that night when we were driving home on the parkway, Denise and I were looking out the window and we saw the car coming at us."