- Associated Press - Saturday, April 16, 2011

NEW YORK (AP) - “How could she?”

It’s the headline du jour whenever a horrific case emerges of a mother killing her kids, as Lashanda Armstrong did when she piled her children into her minivan and drove straight into the frigid Hudson River.

Our shock at such stories is, of course, understandable: They seem to go against everything we intuitively feel about the mother-child bond.

But mothers kill their children in this country much more often than most people would realize by simply reading the headlines; by conservative estimates it happens every few days, at least 100 times a year. Experts say more mothers than fathers kill their children under 5 years of age. And some say our reluctance as a society to believe mothers would be capable of killing their offspring is hindering our ability to recognize warning signs, intervene and prevent more tragedies.

And so the problem remains.

“We’ve learned how to reduce auto fatalities among kids, through seatbelt use. We’ve learned how to stop kids from strangling on the strings of their hoodies. But with this phenomenon, we struggle,” says Jill Korbin, an anthropologist at Case Western Reserve University who has studied mothers who kill children. “The solution is not so readily apparent.”

How common is filicide, or killing one’s child, among mothers? Finding accurate records is nearly impossible, experts say. One problem is classification: The legal disposition of these cases varies enormously. Also, many cases doubtless go unreported or undetected, such as very young mothers who kill their newborns by smothering them or drowning them in a toilet after hiding the entire pregnancy.

“I’d say a mother kills a child in this country once every three days, and that’s a low estimate,” says Cheryl Meyer, co-author of “Mothers Who Kill Their Children.”

Several databases track such killings but do not separate mothers from fathers or stepfathers. At the Department of Health and Human Services, the National Child Abuse and Neglect Data System reported an estimated 1,740 child fatalities _ meaning when a child dies from an injury caused by abuse or neglect _ in 2008.

And according to numbers compiled from 16 states by the National Violent Death Reporting System at the CDC Injury Center, 130 children were killed in those states by a parent in 2008, the last year for which numbers were available.

“The horrific stories make the headlines, so we believe it hardly ever happens,” says Meyer, a professor of psychology at Wright State University in Dayton, Ohio. “But it’s not a rare thing.”

Meyer and co-author Michelle Oberman interviewed women at the Ohio Reformatory for Women. They found that of 1,800 women at the prison, 80 were there for killing their children.

It’s also a phenomenon that defies neat patterns: It cuts across boundaries of class, race and socio-economic status. Oberman and Meyer came up with five categories: filicide related to an ignored pregnancy; abuse-related; neglect-related; assisted or coerced filicide (such as when a partner forces the killing); and purposeful filicide with the mother acting alone.

Different as these cases are, though, there are some factors that link the poor teen mother who kills her baby in a bathroom with an older, wealthier mother, and one of them, experts say, is isolation.

“These women almost always feel alone, with a total lack of emotional support,” says Lita Linzer Schwartz, a professor emeritus of psychology and women’s studies at Penn State, and co-author of “Endangered Children.”

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