BAGHDAD, Iraq (CNN) -- The mother's voice lacks emotion as she recalls how her daughter became a suicide bomber.

"She wanted to die in the name of God," she says on a videotape, her face peering out from under a dark brown head scarf.

"She told me she is sick of this life. ... So she spoke about the Americans. I told her, 'Where will you get Americans?' She said she will go after the Americans."...

Story Highlights
-U.S. military reports 19 female suicide bombers in Iraq this year, up from 8 in 2007
-Authorities say al Qaeda in Iraq targets desperate women who seek revenge
-Many women bombers have lost male relatives to the war, officials say
-Iraqi and U.S. officials fear more women will turn themselves into bombs