Over the weekend, more details began to emerge about Tyler Brehm, the gunman who opened random fire on drivers in Hollywood on Friday morning and was subsequently killed by police after injuring two men.

Brehm recently underwent a bad breakup and was given pills from a woman who "he thought" was a pharmaceutical salesman, according to his ex-girlfriend, who spoke with CNN affiliate KTLA.

Clinical psychologist Dr. Jeffrey Gardere joins American Morning today to weigh in on how these factors may have influenced Brahm's rampage.

Former assistant football coach Jerry Sandusky, who served 23 years as defensive coordinator for the Nittany Lions, has been charged with sexually abusing eight boys.  

Sandusky allegedly engaged in fondling, oral sex and anal sex with young boys over a period of more than 10 years, according to an investigative grand jury's summary of testimony. Penn State Athletic Director Timothy Curley and Gary Schultz, the university's senior vice president for finance and business, have resigned from the university after being accused of lying to the grand jury in a cover up.

Carol Costello speaks with New York Times contributor Mark Viera to discuss how the sex abuse scandal will affect this legendary collegiate football program.

The jury in the involuntary manslaughter trial of Michael Jackson's doctor begins deliberating Dr. Conrad Murray's late Friday morning. This comes after some emotional closing arguments were delivered Thursday.

Prosecutor David Walgren maintained that the evidence against Murray is "overwhelming" and "abundantly clear." Walgren reminded jurors that this trial isn't just about Michael Jackson – but about his children who will now grow up without a father. The defense argued that the trial was not a "reality show."

CNN legal analyst Paul Callan explains to Carol Costello why he believes the jury will reach a verdict quickly – and why Dr. Murray could be convicted.