A 90-year-old Ohio widow shoots herself in the chest as authorities arrive to evict her from the modest house she called home for 38 years.

In Massachusetts, a housewife who had hidden her family's mounting financial crisis from her husband sends a note to the mortgage company warning: "By the time you foreclose on my house, I'll be dead." Then Carlene Balderrama shot herself to death, leaving an insurance policy and a suicide note on a table.

Across the country, authorities are becoming concerned that the nation's financial woes could turn increasingly violent, and they are urging people to get help. In some places, mental-health hot lines are jammed, counseling services are in high demand and domestic-violence shelters are full. ...