Mini challenge - spot the errors

//Mini challenge to correct all the errors

function useMagnifyingGlass():void{  //1. change from string to void - not return anything
  console.log('I will use my magnifying glass.')
}

function determineCulprit(){
  return Math.floor(Math.random()*2+1)
}

function doSleuthing(numberOfClues:number, clue1:string, clue2:string, suspect1, suspect2):void{ //2. Remove types for suspect1 & suspect2
  console.log('I am a famous detective and I will solve the crime.');
  let unnecessaryVariable = 'Why is this here?'
 // unnecessaryVariable=useMagnifyingGlass();  // 3. Comment or remove this unnecessary line

  console.log('Now I consider the first clue: ',clue1);
  console.log('Now I consider the second clue: ',clue2); //4. should be clue2 not clue1

  let culpritNumber:number = determineCulprit();  //5. Should be type number not string
  console.log('Now, I will return to you the culprit. There but for the grace of God go we.' );
  if(culpritNumber == 1) {return(suspect1)}
  if(culpritNumber == 2) {return(suspect2)}

  console.log("I couldn't figure out who drank the priceless milk. :( :(")  //6. Change to console.log instead of return
}

let answer; //7. remove =3;

//8. first argument should be number not '2'
answer=doSleuthing(2, 'The parrot heard everything!', 'All the doors and windows were shut from the INSIDE.', 'Burglar Bob', 'Saint Sam')

console.log('The culprit was none other than ', answer, '!');