>> my r.n. cost $3,000.ut the education that you receive, the money that you save is... there's no comparison. >> smith: stories like martha's got the attention of, california's attorney general. in 2011, kamala harris started investigating. >> as we started diving into it, it became clear that corinthian was engaged in extremely predatory behavior and conduct. and so we sued. this morning, my office filed suit against corinthian colleges, and in what can only be described as a for-profit college predatory scheme. >> smith: a lot of what you charged was that there was a misrepresentation of job placement rates. >> absolutely. convincing students that if you sign up to receive an education, we will ensure you will also get a job. that was all, uh... i'm gonna say a polite term: that was wrong and inaccurate. >> smith: it was b.s. >> it was b.s. it absolutely was. >> smith: harris based her complaint on interviews with over 100 employees and students, including hollie harsh and brian french, the homeless stude

sarah an r.n. just completed her workout. building. when i went to the front of the building i was there maybe one minute and when i heard a loud noise. >> reporter: that loud noise was made by jack bernard who had just finished a game of racquetball. >> i felt something coming on and i said well i'm going down. well that was the last thing i remember. >> reporter: he suffered a cardiac arrest and collapsed to this floor. helton rushed over. >> basically after he lost pulses and wasn't breathing he and shocked him with an automated external defibrillator. he remembers coming to in the ambulance. >> i remember being somewhat combative because i thought i was in a fight at that point. >> reporter: sharon jack's wife shutters to bring what could have been and explains when they met sarah. >> she came in the room and said you probably don't remember me. we said, no. >> reporter: but now they do. after learning what sarah did angel. >> we don't say luck we say blessings. it's been a miracle. >> if it weren't for sarah and her knowledge of c