in the end, prosecutor fraivillig felt she didn't have enough evidence to charge danielle as michael'si cannot just charge someone based upon my speculations, the family's beliefs, and even the ugliness of these text messages is not enough unless i can show that there was a conspiracy. michael minor never gave me that information. >> reporter: what is your gut telling you, that danielle was indirectly involved, directly involved or -- >> she wasn't involved. >> reporter: what -- had no -- no part in this whatsoever. >> she wasn't involved in that homicide. >> reporter: news of the decision not to prosecute danielle for sam's murder made sam's sister cindy furious. do i think it's a tough case? yes, absolutely. but you know what? their job is not to prosecute cases that are easy. their job is to prosecute criminals. >> reporter: but just when everyone thought danielle was free and clear, prosecutor fraivillig said not so fast. remember michael minor's videotaped break-in of dianne mcknight's apartment? the prosecutor believed danielle not only helped plan the break-in, but she also inst