orlando mesa loved the evening ritual. he and his 18 month old son, noah. orlando doted on the boy. >> he was a hands-on dad. >> and noah's mom, cindy, was there to record it all. >> my husband was an outdoor person, so he was always doing things with noah. >> and so, on a spring evening in the gathering dusk, orlando walked behind noah, who rolled along on his toy car. a security camera watched them toddle down the sidewalk. they disappeared around the corner. >> that was the worst day of my life. >> what happened? well, that still being debated in a way. a chain of events certainly, of which a father - son evening stroll may have been the first, but certainly not the last. but, a moment first to fill you in. cindy or "janepsy", the name she was born with in cuba, came to miami as a teenager. she was bright and ambitious. she learned english pretty much from scratch. became a hairdresser. experimented with her own quite frequently, as you've seen. it was back in 2006, cindy carballo had been invited to a super bowl party. lots of people there. in the crowd,