Jon Ingold has made a number of great text games, so while I have not downloaded that one yet, er, you should? You should! Here is his blurb for it that he posted to Usenet:
The call comes through. Of all the dicks; you get the call, sitting in the front seat of your car, hands shaking on the steering wheel. An urgent call; but all you were thinking of was the bottle in the liquor store and so that's where you went first.
Now you're pulled up outside the house. The rear mirror's showing two steely eyes. You adjust your hat, stiffen up your collar and grab your badge off the dash. Here goes. You've one last chance so...
MAKE IT GOOD
By Jon Ingold
An Interactive Detective Story (c) 2000-2008
Nine years in the making, Make It Good is a detective story in the vein of Infocom's classic Witness. A house in the upper-class hills area. A dead body - some accountant, splashed all over his carpet. Four suspects. Your reputation - your whole life - staked on the outcome of the case. Can you find a guilty face? Can you get the evidence to secure a conviction? Or will you hit the bottle - or one of the suspects - and bum out? One last chance. Time to make it good.