In April 2022, he pleaded guilty to diverting $332,000 of Sri Lankan government funds supposedly intended for the purchase of a new embassy site.
[8][9][10] In August 2008, he was appointed by President Rajapaksa as Ambassador of the Democratic Socialist Republic of Sri Lanka to the United States and Mexico.
As a result, Wickramasuirya was recalled to Sri Lanka in July 2014 and was replaced by Asela Weerakoon on a temporarily basis until Prasad Kariyawasam was appointed as the permanent ambassador.
[11] The Police Financial Crimes Investigations Division (FCID) arrested him on 17 November 2016, after he tried to flee the country from Katunayake Airport, and was a suspect of allegedly accepting a USD $332,000 commission while serving as the Sri Lankan Ambassador to the United States.
Wickramasuriya attempted to use his position of authority to defraud his own government and steal from the people he represented.