[7] In 1985, Robinson ran a season's best of 44.71 seconds to finish behind Innocent Egbunike in Los Angeles – a time which ranked him as the fifth fastest 400 m runner that year.
He joined a strong 400 m line-up at the Pepsi Invitational later that month, which also featured Gabriel Tiacoh, Antonio McKay, Michael Franks and Egbunike, and all were intent on breaking Alberto Juantorena's time of 44.26 (the fastest run at sea level).
[7] In late 1989, Robinson gave an interview with Stern in West Germany accusing a number of figures in American track and field of using and distributing performance-enhancing drugs.
Robinson had begun training with Bob Kersee in 1987 and he claimed that the coach had advised him on steroid use and given him two types of tablets: oxandrolone and metandienone.
Robinson also claimed that he had personally sold a 10-cubic centimetre vial of human growth hormone to Florence Griffith-Joyner in March 1988, just months before she ran two world records and won an Olympic gold medal.
[17] The accused questioned Robinson's motives in that he received $50,000 for the interview with Stern, as well as $10,000 for appearing on Today on NBC to discuss the matter.
[15] The accusations brought about the end of Robinson's career at the age of 25 as he was largely blacklisted by promoters on the European track circuit.
An attempt to take his daughter back to the United States resulted in charges for assault and abduction, for which he served five months in jail.
He married former US skier Lisl Hager in the late 1990s and retreated from public life, refusing to take calls from the press and asking to be left alone.