Run For Your Life

What if the most dangerous thing you did this weekend was go for a run?***On a bright spring Saturday, hundreds gather in a park as usual for their weekly community 5k run.An hour later, one of the runners is dead.The next week a runner training for a 10k event dies. And then another, a half marathon runner...The police are baffled. The pattern is the same, the deaths can't be coincidental. Is the...