Sydney Aiello, only 19, and a recent graduate from Marjory Stoneman Douglas High School in Parkland, Florida, took her life at the weekend, according to her mother Cara Aiello.

According to Sydney’s Mom, her daughter had struggled with ‘survivor’s guilt’ and had been diagnosed with post-traumatic stress disorder.

Nikolas Cruz, suspected of killing 17 — now 18 –at Marjory Stoneman Douglas High School, appeared in court, Friday.