Killings, clues and miscues ...
It took police 18 years to nab the Unabomber. At just 22 days, the sniper probe was comparatively speedy; still, it snaked through numerous wrong turns and culs-de-sac:
OCT. 2 A shot is fired into a store window; no one is hurt. Within an hour, a man is killed in Montgomery County, Md.
OCT. 3 D.C. police stop the sniper's blue Chevy Caprice for a "minor infraction" and scan the tag number. It comes up clean. Two hours later, a witness reports seeing a dark-hued, perhaps burgundy or cranberry Caprice leaving the scene of the...