Perpetrator of UCBS shooting Elliot Rodger had more horrific plans based on his manifesto. One of these plans is to kill the "hottest" sorority girls of the University of California, Santa Barbara - the members of Alpha Phi. The 22-year-old likewise added in his 140-page manifesto that he was planning to burn down the sorority house.

 "I will punish all females for the crime of depriving me of sex. They have starved me of sex for my entire youth, and gave that pleasure to other men. In doing so, they took many years of my life away. I cannot kill every single female on earth, but I can deliver a devastating blow that will shake all of them to the core of their wicked hearts," he wrote.

Suspect of UCBS shooting Elliot Rodger originally knocked on the sorority house's door on May 23. After not getting an answer, he murdered a lone passerby. Rodger believed that since he couldn't punish all the women in the world, he'd be attacking the sorority girls instead.

Meanwhile, authorities are convinced that executor of UCBS shooting Elliot Rodger had spent one year in planning his killing spree. Such belief has been backed up by Rodger's manifesto which was later discovered after the killings.

Aside from being aggravated by his seemingly misfortune with women, Rodger was upset with the divorce of his parents. In his manifesto which has been deemed disturbing by online citizens, Rodger said that he'd execute the Day of Retribution to "destroy everything" he cannot acquire.

He killed his three male roommates followed by two sorority sisters Katie Cooper and Veronica Weiss. The final victim was gunned in the head in a deli. Apart from killing six people, 13 were severely injured.

Perpertrator of UCBS shooting Elliot Rodger also posted a seven-minute YouTube clip wherein he proudly talked about his day of revenge.

 "Tomorrow is the day of retribution, the day in which I will have my revenge.You girls have never been attracted to me. I don't know why you girls aren't attracted to me, but I will punish you all for it, " he said.