It's been a week since half a foot of rain fell on San Antonio, causing water levels to swiftly rise and killing 13 people. Now, questions are mounting about what triggered the surge of water that slammed into a line of unsuspecting vehicles,

The city, which forecasters say typically gets about 3 inches of rain in June, was inundated with nearly 10 inches of rain last week.

One of the 13 victims of the deadly June 12 flood on San Antonio's Northeast Side was homeless when she died, her family told the San Antonio Express-News. Roseann Cobb, 41, was found in the Wurzbach Parkway area, according to Bexar County officials. The mother of four was one of the last victims to be identified.