Dozens of questions remain unanswered over a Houston-based cheating scandal involving hundreds of unqualified teachers getting certified; one of them is what policies were put in place? And what was ignored?

Residents share their reactions after learning that 200 unqualified teachers slipped through the cracks in a cheating scandal. Many of the perpetrators charged (including the alleged kingpin) were Houston ISD educators.

Step-by-step process: How alleged $1M Houston-based cheating scheme worked.

Harris County District Attorney Kim Ogg announced criminal charges Monday against five people accused of participating in a teacher-certification cheating scheme that allowed unqualified teachers to work in local school districts.