The concept of access to any required information is widely becoming common...
These sentences does not refer to anything of your topic. In the introduction you should introduce topic to the reader. Therefore keeping alignment with your topic is very very important . Otherwise your writing would be felt as out of topic :(
My suggestion;
The need for the jury to have access to information about the defendants' past criminal record is becoming a concern these days. .... now the reader understands you are talking about information that a jury requires... As a tip for this task, I suggest you to catch the idea from your prompt itself. Do not copy it for your first sentence, but you can re-phrase it and use it :)
the jury can use this information to claimdecide that the defendant has actually done a crime.
.... jury does not claim, but decides. The lawyers claim :)
This type of usage of of information can manipulate the way a judge sees the case of a person .
.... good argument :)
My suggestion;
The jury may be carried away by such information and also can have their decision influenced by them although the defendant's past criminal activities have no bearing on the case at all.You have good arguments . With practice you can aim to go for a good score. Try to improve your essay structure more :)