They were arrested this week in the Ivory Coast, the BBC reported.
“They had changed their identities to go unnoticed,” Ivory Coast police said in a Facebook post on Thursday.
While he was a fugitive, Lacote worked as a host on a reality TV crime show called Duty Calls in South Africa, the BBC reported. The show aired from 2000 to 2003.
In 2007, after he was arrested and charged with defrauding an Irish businessman, he broke out of a Johannesburg jail with van Acker’s help, the BBC reported.
Lacote and Van Acker were tried in absentia for the 1996 murder of Marcus Mitchell, according to the news outlet.
Prosecutors said Mitchel was killed after he realized that Lacote had defrauded him in a business deal.
After being found guilty, they were sentenced to life in prison, according to the BBC.
Belgium police have named them to the country’s most wanted convicted criminals list.