Detectives have a long list of “persons of interest” in the fatal ambush attack on a gorgeous Pennsylvania school teacher. Rachel DelTondo was standing in her mom’s driveway when she was gunned down on Mother’s Day.

Nancy Grace updates this complex mystery with lawyer and psychologist Dr. Brian Russell — host of Investigation Discovery’s “Fatal Vows” series, Southern California prosecutor Wendy Patrick, Atlanta juvenile judge and lawyer Ashley Willcott, and Crime Stories contributing reporter Larry Meagher.

Also read: Police seek cell phone records for ‘friend’ of slain suspended teacher Rachael Deltondo, who said she was an informant set to testify against police: Report

Crime Stories reporter John Lemley joins Grace to discuss an Oklahoma woman who allegedly tried to kill her daughters, including one who was stabbed dozens of times. Taheerah Ahmad, 39, reportedly said she was angry over how the girls looked at her.

Also read: Woman who allegedly stabbed 11-year-old daughter 70 times said her kids were ‘devil children’

“Crime Stories with Nancy Grace” is a national radio show, heard on SiriusXM’s Triumph Channel 132, five times a day. You can also subscribe and download the daily podcasts at iTunes and Google Play.

[Feature Photo: Rachel DelTondo /Facebook]