my son pushed something on the computer yesterday and now i cannot find the pictures that i downloaded from my digital camera

With the amount of information you've provided it's impossible to offer a solution. We can't see your computer so we need to know the details of your problem and setup, i.e.:

• what version of iPhoto are you using?
• what system version are you running?
• what do you see when iPhoto opens?
• what fixes have you tried?
• where is your library located?
• did you apply any updates or upgrades just prior to the problem occurring?
• are you running a "managed" or "referenced" library?

• what type of Mac?
• how much free space on your boot drive?

Wow - re-read your post and think about how you would answer it

we need information to help

what versions of iPhoto and of the OS? What exactly happens when you launch iPhoto? Have you looked in the iPhoto trash? In the system trash?

The only sure answer is to restore your backup from before your son "pushed a button"

LN

How did you get to the pictures before the button was pushed? What exactly happens when you do that same thing now? What backups do you have?

if you sign into the guest account and import photos they are deleted (with a notice to you that all files are being deleted) when you log out

LN

You may have transferred the photos while logged in as Guest. If so, they were deleted when you logged out of the Guest account. If they've also been deleted from the camera, there's really nothing you can do. There are ways to try to recover deleted files, but it's a job for professionals if you want good results, and their services are very expensive.