Prominent lawyer Attorney at law Hejaz Hisbullah was arrested by the CID allegedly in connection with the Easter bombings in April 2019. On the 15th of April 2020 -The Bar Association of Sri Lanka wrote a letter to the IGP regarding the arrest. The President of Bar Association said that according to the information they have received, “the reasons for his arrest have not been made known at the time.” and they were informed that“the arrest was based on certain functions attended by Mr. Hizbullah in his professional capacity, as a memberof the Bar” Hizbullah has been legal counsel in a number of high-profile cases, including the challenge to the dissolution of parliament in 2018 and fundamental rights cases. Officers from the CID had visited him at his home on April 14, where they handcuffed and questioned him, and later took him into custody. A habeas corpus petition brought on his behalf said the authorities searched Hizbullah’s legal office, opened files, and “perused his briefs and professional work related files.”
https://www.hrw.org/news/2020/04/23/sri-lanka-due-process-concerns-arrests-muslims
https://www.amnesty.org/en/documents/asa37/2221/2020/en/