John Gill Commentary Acts 25:15

"about whom, when I was at Jerusalem, the chief priests and the elders of the Jews informed [me], asking for sentence against him." — Acts 25:15 (ASV)

About whom, when I was at Jerusalem
Quickly after he came to his government:

the chief priests and elders of the Jews informed me ;
brought an accusation to him, exhibited to him charges against him, presented to him a bill of information, setting forth various crimes he had been guilty of:

desiring to have judgment against him ;
not barely to have his cause tried, but to have a sentence of condemnation passed upon him; some copies read "condemnation", as the Alexandrian copy, and two of Beza's; and that punishment is designed, and even death itself, is manifest from the following words.