He resigned as CEO of the Miss America organization after a 2017 email scandal.
The junior Haskells wife and in-laws are missing.
A dismembered female torso was discovered several miles from his Los Angeles home, authorities said.
Police search Encino, Calif. area where torso was foundYouTube
The unidentified human remains were found near a dumpster in Encino on Wednesday morning.
Video evidence from the scene and vehicle information led police to Haskell Jr.s house in Tarzana.
There, officers allegedly discovered evidence of a crime, including blood evidence, police said.
Haskell Jr. was booked on one count of suspicion of murder, police said.
He had been tracked to and arrested at the Topanga Mall.
The identification of the human remains is ongoing, police said today.
Samuel Haskell IV and his missing wife, Mei Haskell, have three elementary-aged children.
The children are now with family, police said.
Haskell is currently being held on $2 million bail.
He is due in court on Nov. 13.
