The killing of a human being anywhere is like a rock thrown in a pond. Bitter waves emanate outward, washing over an ever-wider circle of friends, colleagues, and acquaintances, finally lapping against those distant from the impact point, friends of friends, old classmates, all, to some measure, sickened by the taint of this news—murder, so awful, so unbelievable—no degree of separation big enough to neutralize its poison.

