and it was registered to patrick russo and his wife, janet russo. >> patrick russo, could he be the guyeped out all of the women and could he also be the killer? the last known address was in a rural area a half-hour outside austin. they decided to pay a visit. it is a pretty drive to bastrop county. the live oaks, cypress trees. but at 4:00 a.m. the detectives were not exactly taking in the view as they drove to russo's home, hoping it was a lead that would shed light on the murder of diane holik. all they had were stories about a creepy guy looking at houses for sale. was patrick anthony russo that guy? maybe. maybe not. dawn was hours away when they knocked on his door. the man who woke up to answer it looked like the sketch. coming up, patrick russo seemed an unlikely killer. >> i got my ged. i went to college. i studied for theology to become a minister. >> odd coincidence, he was in diane's area the day she was killed. >> do you remember ever talking to her? >> when dateline continues. ulated to protect your clothing from damage in the wash. like fading, stretching and pilling. wo