(CBS) — The new head of IPRA, the agency that investigates police shootings, promises most reviews won’t take as long as they have in the past, reports WBBM Political Editor Craig Dellimore.

Sharon Fairley, the current Chief Administrator of the Independent Police Review Authority knows many have criticized IPRA for taking too long to investigate alleged police misconduct, but she says sometimes it can’t be helped.

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Fairley says some police shooting cases are very complicated and do take a long time to investigate. But, she says, they shouldn’t all take so long. So, Fairley says she’s instituted new policies and procedures that will accelerate the average cases.

Will we see results immediately? No, she says, because she is involved in all police shooting cases. Fairley says that because she’s been so involved in making administrative changes since she took over IPRA, she’s been slow to deal with the cases on her desk.

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But after the slow start, she says they should be caught up within a few months.