Tonya Thomas

Tonya Thomas is seen in a 2002 booking mug provided by the Brevard County, Fla., Sheriff's Office.
(Credit: AP Photo/Brevard County Sheriff's Office)

Tonya Thomas

Emergency personnel surround the scene of a multiple shooting in Port St. John,
Brevard County, Fla., Tuesday, May 15, 2012.
(Credit: AP Photo/Florida Today, Tim Shortt)

Brevard County Crime Scene Investigators look for clues at the scene
of the shooting in Port St. John.

Unable to speculate: Police said they don't know what the mother's motive was
for killing her four children.

Tonya Thomas, shot and killed children Pebbles Johnson, pictured to her right, and in
the front row Jaxs Johnson, left, Joel Johnson, center, and Jazzlyn Johnson, right.

A perfect family: Thomas had an active church life with daughters Pebbles, to her left,
and Jazzlyn, far left, and sons Jaxs, to her right, and Joel, far right.

The victims