[1] Her death was recorded on audiotape during Federal Bureau of Investigation (FBI) surveillance on Zein Isa due to his association with the Abu Nidal Organization (ANO).
[13] They moved to Raleigh, North Carolina in fall 1963, then to Paterson, New Jersey; Arecibo, Puerto Rico; back to Rondonópolis; then to Cáceres, Mato Grosso.
[16] When her family learned that she, since January 1989, was engaged in a romantic relationship with a 20-year-old African-American, Cliff Walker, Tina's parents grew even angrier.
[23] Prior to his daughter's murder, Zein made telephone calls stating that Tina had damaged the honor of his family and needed to die.
[18] Ellen Harris, author of Guarding the Secrets, wrote that "The problem was that Tina thought of herself as American or hyphenated-American, not as Arab.
[18] Tina Isa was buried at Sacred Heart Cemetery in Florissant, Missouri, reportedly in a bridal gown.
"[27] A crucial factor in his trial was the fact that the FBI had bugged Zein's house on a FISA order in connection with his suspected terrorist activities[28] and, as such, had recorded Tina's murder on an audio cassette.
This was especially important in confirming the fact that Maria was an active participant in the murder, and that Zein's claim of self-defense against Tina was false.
"[18] FBI officials stated that several of Isa's statements before the killing were empty threats, and that this is why the agency took no action before Tina died.
[3] The state-level prosecutor, Dee Joyce-Hayes, used several FBI tapes as evidence in the trial against Zein and Maria Isa.
[31] On December 20, 1991,[32] the two were sentenced to death by the jury; Circuit Judge Charles A. Shaw stated "Culture is no excuse for murder.
Maria's death sentence was commuted to life imprisonment without parole; she died on April 30, 2014, in a Vandalia, Missouri, prison at the age of 70, from apparent natural causes.
[34][35] As a result of the case, some Palestinian families residing in the U.S. sent their children back to Palestine to avoid them undergoing Americanization.
[37] The case was depicted on the Forensic Files season 8 episode "Honour Thy Father" which aired on July 30, 2005.