juarez mexico hits closer to home. an american couple shot and killed over the weekend. all three had ties to the u.s. consulate in juarez. the mayor tells cnn the americans were targeted. new questions surrounding last week's runapriway prius account. the story got national attention. owner jim sikes said he stomped the brakes to no avail. the car hit speeds of 98 miles per hour. toyota technicians and federal investigators say they cannot replicate the conditions casting doubt on what really happened. >> maybe what was happening was not that his engine was overpowering the brakes but his brakes were incapable of overpowering anything. it is possible that he's a liar. it is also possible that he misunderstood what was happening with his car. >> sikes said he's sticking to the story. actor charlie sheen has a