Step 1. Load cell phone with confidential information
Step 2. Go to fancy restaurant and leave cell phone in booth
Step 3. Foreign agents picks up cell phone after you have left.
Step 4. Wait 24 hours (enough time for agents to copy all data off of it) report it stolen.
Step 5. Wait for the Clinton foundation Donation to roll in from the country the agent is from in step 3 ....
Basic dead drop.