Vashti Seacat died a few days after filing divorce papers. Prosecutors say her estranged husband, former cop and CSI instructor Brett Seacat, shot and killed Vashti then set the house on fire and forged a suicide note. Brett claims his wife started the fire herself before committing suicide.
Was it a suicide? Or did Brett Seacat use his CSI expertise to try and get away with murder?
For more on this story watch Jane Velez-Mitchell weeknights at 7pm ET on HLN.