Keith Bouma-Gregson

Murder in the Muck: Scientists Search for Clues to a Killer in the Eel River

In a long, rectangular laboratory with windows facing a dim October sky, Keith Bouma-Gregson casually shows me his collection of murder suspects.

“This was sent to me by a woman,” he says, extending a mason jar of toxic pond scum. The jar is filled with a dark-green thicket of algae, which is emitting tiny streams of bubbles into the sloshing liquid. The contents are nearly identical to the mats filling a foot-long fish tank in the refrigerator behind Bouma-Gregson, a Ph.D. candidate at UC Berkeley.

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