Vowing to never give up on her son, she appealed to all youths "to stop believing the PKK and HDP."
"Run away and take refuge with your mothers and the (Turkish) state," she said, clutching a photo of her son.
Esmer Koç, another mother, said her daughter Zübeyde went missing nine years ago, and she will do whatever it takes to bring her back to safety.
"I will not leave without my daughter," she said, calling on her daughter "to run away and surrender."