PASADENA, Calif. – If there’s any soul-searching among top TV executives about onscreen violence contributing to real-life tragedies such as the Connecticut school shooting, it isn’t readily apparent.

All say the horrors of Newtown and Aurora, Colo., rocked them. But during a series of meetings with reporters here over the past 10 days, none offered concrete examples of how it is changing what they put on the air, or if that is necessary.

“I’m not a psychologist, so I’m not sure you can make the leap [that] a show about serial killers has caused the sort of problems with violence in our country,” said Robert Greenblatt, who put “Dexter” on the air when he ran Showtime and now is overseeing development of a series on the notorious creep Hannibal Lecter for NBC. “There are many, many other factors, from mental illness to guns.”