I just imported photos into Lightroom 5 (Mac) from a camera and the app crashed right after import. When I reopened Lightroom the photos were gone and if I go back to the import section, they are still on the camera but I can't access them because they are greyed out. Supposedly the imported photos are stored somewhere which is why it won't allow me to import them again but I can't find them and have no idea where else to look.
Thanks for your help.
If the photos are greyed out during import, then they have already been imported. Just go to the Library Module, not the Import dialog, click on "All Photographs", and find your photo (if necessary, search by file name)