Orchid Blues

When Holly's wedding festivities are shattered by a brutal robbery, she vows to find the culprits. With nothing to go on but the inexplicable killing of an innocent bystander, Holly discovers evidence that leads her into the midst of a clan whose members are as mysterious as they are zealous. Holly's father, Ham, a retired army master sergeant, is her ticket into their strange world. What he finds there boggles the mind and sucks them all--Holly, Ham, and Daisy--into a whirlpool of crazed criminality from which even the FBI can't save them....

This is #2 in Holly Barker Series.