Andrea Yates : Case of New Jersey mom accused of killing her babies recalls 2001 Sara West case . Several other Western countries have followed suit ( with the exception of the United States ) . She says public shocked by such cases , always asking how mothers could kill their children . West : Expert identified 2 reasons , including spousal revenge , acute psychosis . Prevention is hard , but mental heath treatment can help , West says .
Andrea Yates : Case of New Jersey mom accused of killing her babies recalls 2001 Sara West case . She says public shocked by such cases , always asking how mothers could kill their children . West : Expert identified 2 reasons , including spousal revenge , acute psychosis . Prevention is hard , but mental heath treatment can help , West says .