By Erik Lacayo, The Fresno Bee, Calif. Mar. 31--OROSI -- Mary Jane Galbiso says she came to this tiny town to grow organic vegetables. But some here wonder whether she just came to make trouble.

Griselda Aranzacu was puzzled when she noticed her slender neighbor developing a bulging tummy that would repeatedly appear and vanish. She suspected Nancy Ortiz was pregnant after a visit to her house last summer, but didn't want to pry.

Some estimates suggest more than 50 infants are abandoned each day in the United States. Theories abound about why a woman would desert a newborn in some public place -- or worse -- without knowing whether her child will live or die.

By GARANCE BURKE OROSI, Calif. - The first newborn was discovered swaddled in a blanket on a park bench, an umbilical cord still hanging from his tiny body. Then, at neat 11-month intervals, two more abandoned babies were found in parked pickup trucks in the same neighborhood.