Ana María Arévalo Gosen for The New York Times

The Spanish police have been depending on VioGén, an algorithm, to predict how likely a domestic violence victim is to be abused again and suggest what protection to provide. Overall, it has reduced the number of repeat attacks. But sometimes the risk levels are miscalculated, and the consequences can be fatal.

Lives lived: Bob Newhart, a comedy star on two of American television’s most memorable sitcoms, died at 94.