Obsessed With Selena Gomez! Man Allegedly Murders His Mother, Sister, Niece & Infant Nephew

A man said to be "obsessed" with Selena Gomez has been charged with killing four people: his mother, sister, a niece and nephew.

The carnage took place Wednesday in Oklahoma City in the home they all shared.

Daniel Green, 40, was arrested the next morning after another family member found the four dead and alerted the cops.  They found a trail of blood that helped them locate their suspect.

The victims ranged from his mother, Sallie Green, 57, to his sister's son, just seven months-old.

Green had an "extreme obsession" with Selena Gomez, Oklahoma's News9 reported.

His Facebook wall was covered with pictures of the singer, who he called "yummy."

His posts spoke of his wanting to marry her and that he loved her more than his own family members.

"I want her to be my eternal wife and the queen of my kingdom forever. Hey, I love her more than god, my momma, my dad, Jesus, myself and ya'll," said one.

In another, he referred to her as "my girlfriend."

In another truly bizarre post, addressed directly to Justin Bieber's  former girlfriend, he asked her if she'd go to Mars with him! "I'm willing to run away with you any where in this universe I love you lena so much your true love danny!!!" Green wrote.

"This person is obviously significantly troubled, then that frustration and those problems may build up to the point that he felt like he had no other options," Dr. Steven Sternlof told News9.