Las Vegas Metropolitan Police Department

Keep control of all your bags at all times and do not leave them unattended.
Do not accept packages from strangers.
Do not joke about having a bomb or firearm.
Do not discuss terrorism, weapons, explosives or other threats while going through the security checkpoint.
Do not try to "test" security procedures by carrying fake or real weapons, explosives, etc.
Be alert to suspicious activities, packages or abandoned and unattended luggage in the parking lot or airport.
Report anything suspicious to security.

Check In

Adult passengers must bring a federal, state or locally issued photo identification card - such as a driver's license or draft card. If a government-issued photo ID is not available, bring two pieces of ID - one of which must be from a governmental authority (such as a social security card or birth certificate).
Have your ID and boarding pass out and ready as you approach the checkpoint. Keep them both handy, as you may be asked to present them at subsequent points, such as at the gate.
E-ticket holders should check with their airline to make sure they have proper documentation. Written confirmation from the airline (letter, fax, e-mail) may be required.

Screener Checkpoints

Except for those with specific medical or parental needs, only ticketed passengers are allowed beyond the security screeners.
Each traveler is limited to one carry_on bag and one personal bag such as a purse, laptop or briefcase.
All electronic items, such as laptops and portable phones may be subject to additional screening. Be prepared to remove your laptop from its case so that both can be x-rayed separately.
Wear as few metal objects as possible. To facilitate the metal detector screening, remove all metal objects before passing through.
Most airports require passengers to put their coats and jackets through the x-ray conveyor. You will save time in line if you have it off and ready as you approach.
Do not gift_wrap carry_on items, they may need to be opened during security screening.

International Travel

Monitor current events and review the latest info on the countries you plan to visit.
Dress conservatively. Avoid patriotic red, white & blue.
Bring travelers checks and one or two major credit cards instead of cash. Make 2 copies of the check and card numbers. Leave one with a friend/relative and carry one.
Make two copies of your passport ID page, tickets, and driver's license. Make two copies and distribute as above.
Keep medications in their original, labeled containers. Bring a copy of your prescriptions and their generic names.
Pack an extra pair of prescription glasses or contacts. <
Mark each piece of luggage with name, address & phone where you can be reached.
Be cautious in or avoid areas where you are most likely to be victimized.
Keep a low profile. Do not discuss travel plans with strangers.
Consider registering with the nearest U.S. embassy or consulate.

Authorized Carry-on

You may carry on:

Walking canes and umbrellas
Nail clippers that do not have an attached metal nail file.
Safety and disposable razors.
Syringes with documented proof of medical need.
Tweezers and eyelash curlers.w Electric wheelchairs in accordance with airline requirements. The battery may need to be disconnected or removed and the terminals insulated to prevent short circuit.

Unauthorized Carry-on

You must transport the following items as checked baggage or risk their confiscation at the security checkpoint. When in doubt - leave it home or transport the item in checked baggage. This information is provided by the Transportation Security Administration (TSA) as of July 2002. From time to time these restrictions may change. Check with the TSA before packing.

Weapons: Firearms, ammunition, BB/toy guns, bow and arrows, billy clubs, blackjacks, brass knuckles, bull whips, cattle prods, crow bars, hammers, kubatons, martial arts devises, gunpowder, mace, teargas and pepper spray are forbidden. However, an unloaded firearm may be transported in checked baggage if declared at check-in and packed in a suitable and locked container. Boxed small arms ammunition for personal use may be transported in checked bagged. Amounts may vary by airline.

Knives: Knives of any length, composition or description, cutting instruments of any kind and composition, including carpet knives, meat cleavers, box cutters or blades, double-edge razor blades, any device with a folding or retractable blade, corkscrews, ice picks, axes, straight razors, metal scissors and metal nail files are forbidden.

Certain sports equipment: Such as baseball/softball bats, golf clubs, pool cues, ski poles and hockey sticks.

Fireworks: All fireworks, signal flares, sparklers or other explosives.

Flammable liquids and solids: Fuel, paints, lighter fluid, "strike anywhere" matches, and lighters with flammable reservoirs are prohibited. Only regular book matches may be carried on your person.

Household items: Including drain cleaners and solvents.

Pressure containers: Including spray cans, butane fuel, scuba tanks, propane tanks, CO2 cartridges and self-inflatable rafts.

Personal items: Containing hazardous materials, such as flammable perfumes, aerosols. No more than 70 ounces may be carried on-board. The contents of each container may not exceed 16 fluid ounces.

Other hazardous materials: Such as gas-powered tools, wet-cell batteries, poisons, infectious substances and dry ice. (Note: 4 pounds or less of dry ice for packaging perishables may be carried on-board provided the packages are vented.)

Many of these suggestions are applicable to other modes of transportation. The same vigilance to travel safety should be applied when using buses, trains, subways, ships and other forms of transportation.

For more information about airline security at McCarran International Airport, visit: http://www.mccarran.com or the Transportation Security Administration at: http://www.tsa.dot.gov