The Transportation Security Administration will now allow passengers to leave their shoes on, but security screening is still in place at airports.

While shoes can now stay on at airport security, the following items still need to be removed from your body or luggage: Additionally, any carry-on liquids, gels and aerosols still must abide by the "3-1-1" rule: It is also important to empty miscellaneous items from your pockets, such as keys and wallets.

A Massachusetts law enforcement and homeland security consultant who helped draft some of the first rules requiring passengers to remove their shoes at airport security checkpoints says the decision to end the policy raises concerns.