Paul Flores, who was the last person seen with the 25-year-old before she vanished, was arrested Tuesday along with his father, Ruben Flores.
Police "recovered some items of interest" at the residence of Smart's former college classmate, who was named a person of interest in the California cold case.
The wealthy subject of HBO's "The Jinx" has reversed course on the letter but maintains he did not kill his friend Susan Berman.
This is exactly what privacy advocates have been afraid of for years.
More than two decades after her twin sister was slain, Jenny Carrieri is still searching for justice.
Police used DNA on the napkin to link Jerry Westrom to the stabbing of a Minneapolis woman more than 25 years ago.
Regis Brown, who's already serving a life sentence, has allegedly confessed to committing multiple homicides going back 30 years.
The remains of Drew Greer have been identified and are being returned to his family.
Likenesses may help officials identify remains.
Beth Holloway claims she was "utterly destroyed" by "heinous" and "false" statements about her missing daughter.