'Forgive me. Forgive my son,' asks Texas school shooter's mother – video

The mother of the 18-year-old gunman who shot dead 19 young children and two teachers and wounded many others in an elementary school in the small town of Uvalde, Texas, this week has said: 'Forgive me, forgive my son.'

Adriana Martinez looked distraught and wept as, from her car, she told CNN affiliate Televisa: 'I have no words to say ... I don't know what he was thinking'

• Full report: Texas police made wrong decision', says official
• Forgive me, forgive my son': parents of Texas school shooter speak out