lau sister latifah. melanie woodrow is live with today's newly released information. melanie? >> ama and eric, the attorneys for nia wilson's family say there are 22,000 fare evaders. they say john cowell was one of them, and had bart stopped him wilson would still be alive. the attorneys for nia wilson's family said bart failed to provide the highest standard of care. they filed a complaint against bart. >> nia's death is not some horrific anomaly that occurred in two seconds that nobody could do anything about. >> on sunday, july 22nd, john cowell is accused of stabbing nia wilson and her sister latifah in the neck at the macarthur bart station. there are 22,000 fare evaders on bart daily and cowell was one of them. >> the experts in this case will testify there is a correlation between a high incidence of fare evading and violent crime. >> he also said two witnesses will testify they had interaction was cowell in the weeks and days prior to the stack. one was a 72-year-old woman who said cowell accosted. >> and she said i'm not afraid of you and he motioned i'm going to solicit your throat. >> the other person was at macarthur bart. she saw him brandishing a knife. both women