Updated: 15 Arrested in Child Porn Sting

Update: This article, updated July 21 reflects additional names of those arrested. 

Detectives from 30 law enforcement agencies in the South Bay arrested a total of 15 people in a crackdown Thursday targeting child pornography.

Those arrested were:

1. Yun Chen, 36, 1562 Woodmeadow Ct., San Jose, software engineer.
2. Tom Truong, 27, 1939 Ensign Way, San Jose.
3. Valentine Hyjek, 46, 1281 Morrill Ave., San Jose, worked as an IT tech.
4. Lorenzo Caliva, 22, 32 Muirfield Ct., San Jose.
5. Ismael Aragon, 53, 5275 Vera Lane, San Jose. 
6. Brandon Hellewell, 18, 4518 Del Rey Ave., San Jose. When getting into the transport wagon, he panicked when the media arrived jumped in too quickly.  Hit his head on the top of the van and split it open. Was transported to the hospital by ambulance.
7. Davide Signorelli, 30, 774 Luna Park Dr., San Jose, a computer hardware engineer.
8. Luis Benavides, 29, 5974 Chesbro Ave., San Jose. 
9. Robert Henandez, 32, 5818 Blossom Ave., San Jose.
10. Tony Silva, 64, 2154 Talia Ave., Santa Clara, works in real estate.
11. Mark Flores, 31, 4724 Mangrum Dr., Santa Clara.
12. Marlon Ivan Garcia Chavez, 32, of San Jose.
13. Moises Cervantes, 36, of San Jose.
14. Juan Carlos Rivera, 40, of San Jose.
15. Robert Selvidge, 43, of Sunnyvale.

which attempted to execute about 20 search warrants in what it calls the largest child porn sweep ever in Northern California, termed "Operation Chickenhawk," San Jose police said.

-Reported by Bay City News