MILWAUKEE -

The mystery surrounding a missing Milwaukee woman thickens as one of the last people to see her is arrested again.

Police say that Kris Zocco had 23 videos of child pornography on his computer.

The 38-year-old was charged with 17 counts of possessing child pornography.

Zocco had previously been arrested on drug charges.

Police say that Zocco was with Kelly Dwyer on October 10, the night of her disappearance.

He has admitted that the two used cocaine together. There is video of her arriving at his apartment, but none of her ever leaving.