Casey Johnson: Death of an Heiress

Casey Johnson SLIDESHOW — Personal Photo

Casey Johnson, heiress to the Johnson & Johnson business empire and fiancee to Web celebrity Tila Tequila, has died at the age of 30. It is unclear how long Johnson may have been dead by the time authorities arrived at her home in Los Angeles on Jan. 4, 2010. Johnson and Tequila are shown here.

Los Angeles police have said they don't feel foul play was involved in Casey Johnson's death, but according to celebrity Web site Radar Online, Johnson's fiancee, Tila Tequila, told a close friend that she thought a prescription drug overdose might be to blame. Johnson had diabetes, but it was unclear whether that was a factor in her death.

Shortly before her death, Casey Johnson became engaged to reality TV star Tila Tequila, according to Tequila's agent and the star's Twitter page. The happy couple is seen here showing off an enormous engagement ring during a Web cast. Tequila became famous, in part, by interacting with fans online. She is best known for the MTV reality show "A Shot at Love with Tila Tequila."

Shortly after Casey Johnson's death, Tila Tequila took to her Twitter account to express her sorrow. On Jan. 4, 2010, Tequila wrote, "Everyone please pray 4 my Wifey Casey Johnson. She has passed away. Thank u for all ur love and support but I will be offline to be w family."

Casey Johnson, seen here with fiancee Tila Tequila, left, and Hilton heiress Nicky Hilton, right, grew up in New York's rarified social circles. As a young socialite, she went to high school with Nicky's sister, Paris Hilton, and turned down Paris' request to join her reality show "The Simple Life." On Jan. 5, 2010, Paris tweeted "God has another Angel by his side...Casey, we all Love and Miss you."

On Jan. 5, 2010, one day after Casey Johnson's body was found, Los Angeles County Chief Coroner Investigator Craig Harvey said an autopsy would be held for the 30-year-old heir to the Johnson & Johnson empire. Harvey said he couldn't provide other details and didn't confirm police statements that there were no signs of foul play. Johnson is seen here on April 26, 2006, in West Hollywood, Calif.

Casey Johnson is the daughter of New York Jets owner Woody Johnson. In a statement the Johnson family said it "is mourning its tragic loss, and asks for privacy during this very difficult time." The heiress is seen here on Jan. 24, 2008, in West Hollywood, Calif.

In 2007, Casey Johnson adopted daughter Ava, now 3, from Kazakhstan, but her mother took the child in 2009 when, according to the New York Post, she was found to be living in squalor.

On Nov. 30, 2009, Casey Johnson was arrested after she allegedly stole jewelry, shoes, clothing and underwear from model Jasmine Lennard's Hollywood apartment, according to the New York post. The paper said Lennard was tipped off by Courtenay Semel, seen here, who had a romantic relationship with Johnson. Johnson denied the allegations.

CBS News correspondent Michelle Gielan says Johnson reportedly had problems with drugs and alcohol, and led an extremely troubled life. According to Gawker.com, Johnson had been cut off from her family's money until she got her life in order and her mother had taken her 3-year-old adopted daughter.

Shortly before her death, Casey Johnson became engaged to reality TV star Tila Tequila, seen here, according to Tequila's agent. On her Twitter page, Tequila wrote on Jan. 4, 2010, "R.I.P my Angel. @caseyjonsonJnJ u will forever be in my heart! I love u so so much and we will Marry when I see U in Heaven my Wifey."

Both Casey Johnson and Tila Tequila had romantic relationships with former Yahoo CEO Terry Semel's daughter, Courtenay Semel, seen here. Johnson's relationship with Semel soured after Semel told a mutual friend that Johnson had stolen the friend's clothing and personal items, according to the New York Post. That accusation led to Johnson's Nov. 30, 2009 arrest, according to the paper. Johnson denied the allegations.

After Casey Johnson's death, her fiancee, reality star Tila Tequila, seen here, expressed her sorrow on Twitter. On Jan. 4, 2010, Tequila wrote, "Everyone please pray 4 my Wifey Casey Johnson. She has passed away. Thank u for all ur love and support but I will be offline to be w family."

CBS News correspondent Michelle Gielan says Johnson reportedly had problems with drugs and alcohol, and led an extremely troubled life. According to Gawker.com, Johnson had been cut off from her family's money until she got her life in order and her mother had taken her 3-year-old adopted daughter.

Shortly before her death, Casey Johnson wrote a series of sensual Twitter posts about her fiancee, Tila Tequila, seen here. "i was VERY lucky this year.. I found my soulmate. I got her for Christmas.. Best gift ever!! Xo," Johnson wrote on Dec. 25, 2009. One day earlier she Tweeted, "OH MY GOD! Im now in stage 27 of this #TilaAddiction"

Casey Johnson's last tweet was: "Sweet dreams everyone...I'm getting a new car." The message was posted at 1:12 a.m. on Dec. 29 2009. The heiress, seen here with a friend, was not heard from since. Seven days later, a maid found Johnson's body in her West Hollywood home.

Casey Johnson's fiancee, Tila Tequila, is seen here in a MySpace photo. Tequila achieved celebrity by interacting with her growing online fan base. She is best known for the MTV reality show "A Shot at Love with Tila Tequila."

Casey Johnson, heiress to the Johnson & Johnson fortune, grew up amongst New York's rarified socialites. She had a romantic relationship with Courtenay Semel, seen here, who is the daughter of former Yahoo CEO Terry Semel. Johnson's fiancee, Tila Tequila, had also dated Semel in 2008.

CBS News correspondent Michelle Gielan says Casey Johnson, right, reportedly had problems with drugs and alcohol, and led an extremely troubled life. According to Gawker.com, Johnson had been cut off from her family's money until she got her life in order and her mother had taken Ava, her 3-year-old adopted daughter.

Shortly before her death, Casey Johnson became engaged to reality TV star Tila Tequila, according to Tequila's agent and the star's Twitter page. The happy couple is seen here during a Web cast. On her Twitter page, Tequila wrote on Jan. 4, 2010 , "R.I.P my Angel. @caseyjonsonJnJ u will forever be in my heart! I love u so so much and we will Marry when I see U in Heaven my Wifey."