Rewrite the following sentence by replacing all the words with synonyms to make the sentence clearer.
Quite a few people alleged that the criminal had committed a serious offence
Several individuals claimed that the offender had perpetrated a grave transgression.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the following sentence by replacing all the words with synonyms to make the sentence clearer.

### Input:
Quite a few people alleged that the criminal had committed a serious offence

### Output:
Several individuals claimed that the offender had perpetrated a grave transgression.