[6] During the 1990s, Vincent wrote several articles and the book See No Evil about the Abílio dos Santos Diniz kidnapping case in Brazil.
Two young Canadians, David Spencer and Christine Lamont, had been convicted of Diniz's 1989 political kidnapping and confinement and sentenced to 28 years each in Brazilian prisons.
[8] However, David Levesque said, "She's critical of magazines like Saturday Night and CBC television's Fifth Estate, which ran stories on the case seemingly without consulting the trial transcripts available in English translations.
[10] For her work on the Lamont/Spencer case, Vincent received the Canadian Association of Journalists' Award for excellence in investigative journalism and a Southam Fellowship.
[11] In 1996, Vincent wrote a feature on Craig Kielburger in Saturday Night magazine saying the teenage anti-child labor advocate diverted donations made to his Free the Children charity to his family.