Of course they should have known. What rational excuse can they give for not knowing the security details of embassies and diplomatic missions? After all, there's not THAT many.
(Excerpt) Listed below are American embassies and other diplomatic missions around the world. The U.S. has dubbed some of its consulates as "American Presence Posts", to provide chiefly consular services.
Europe
Albania
Tirana (Embassy)
Armenia
Yerevan (Embassy)
Austria
Vienna (Embassy)
Azerbaijan
Baku (Embassy)
Belarus
Minsk (Embassy)
Belgium
Brussels (Embassy)
Bosnia and Herzegovina
Sarajevo (Embassy)
Banja Luka (Embassy Branch Office)
Mostar (Embassy Branch Office)
Bulgaria
Sofia (Embassy)
Croatia
Zagreb (Embassy)
Czech Republic
Prague (Embassy)
Denmark
Copenhagen (Embassy)
Estonia
Tallinn (Embassy)
Finland
Helsinki (Embassy)
France
Paris (Embassy)
Marseille (Consulate General)
Strasbourg (Consulate General)
Bordeaux (American Presence Post)
Lyon (American Presence Post)
Rennes (American Presence Post)
Toulouse (American Presence Post)
Georgia
Tbilisi (Embassy)
Germany
Berlin (Embassy)
Bremen (Consular Agency)
Düsseldorf (Consulate General)
Frankfurt (Consulate General)
Hamburg (Consulate General)
Leipzig (Consulate General)
Munich (Consulate General)
Greece
Athens (Embassy)
Thessaloniki (Consulate General)
Holy See
Rome (Embassy)[note 1]
Hungary
Budapest (Embassy)
Iceland
Reykjavík (Embassy)
Ireland
Dublin (Embassy)
Italy
Rome (Embassy)
Florence (Consulate General)
Milan (Consulate General)
Naples (Consulate General)
Genoa (Consular Agency)
Palermo (Consular Agency)
Venice (Consular Agency)
Kosovo
Pristina (Embassy)
Latvia
Riga (Embassy)
Lithuania
Vilnius (Embassy)
Luxembourg
Luxembourg (Embassy)
Macedonia
Skopje (Embassy)
Malta
Valletta (Embassy)
Moldova
Chişinău (Embassy)
Montenegro
Podgorica (Embassy)
Netherlands
The Hague (Embassy)
Amsterdam (Consulate General)
Willemstad, Curaçao (Consulate General)
Norway
Oslo (Embassy)
Poland
Warsaw (Embassy)
Kraków (Consulate General)
Portugal
Lisbon (Embassy)
Ponta Delgada (Consulate)
Romania
Bucharest (Embassy)
Russia
Moscow (Embassy)
Saint Petersburg (Consulate General)
Vladivostok (Consulate General)
Yekaterinburg (Consulate General)
Serbia
Belgrade (Embassy)
Slovakia
Bratislava (Embassy)
Slovenia
Ljubljana (Embassy)
Spain
Madrid (Embassy)
Barcelona (Consulate General)
Sweden
Stockholm (Embassy)
Switzerland
Bern (Embassy)
Geneva (Consular Agency)
Zürich (Consular Agency)
Ukraine
Kiev (Embassy)
United Kingdom
London (Embassy)
Belfast (Consulate General)
Edinburgh (Consulate General)
Hamilton (Consulate General)
North America
Antigua and Barbuda
St. John's (Consular Agency)
Barbados
Bridgetown (Embassy)
Bahamas
Nassau (Embassy)
Belize
Belmopan (Embassy)
Bermuda
Hamilton (Consulate General)
Canada
Ottawa (Embassy)
Calgary (Consulate General)
Halifax (Consulate General)
Montreal (Consulate General)
Quebec City (Consulate General)
Toronto (Consulate General)
Vancouver (Consulate General)
Winnipeg (Consulate)
Costa Rica
San José (Embassy)
Cuba
Havana (US Interests Section)
Dominican Republic
Santo Domingo (Embassy)
El Salvador
San Salvador (Embassy)
Grenada
St. George's (Embassy)
Guatemala
Guatemala City (Embassy)
Haiti
Port-au-Prince (Embassy)
Honduras
Tegucigalpa (Embassy)
Jamaica
Kingston (Embassy)
Montego Bay (Consular Agency)
Mexico
Mexico City (Embassy)
Ciudad Juárez (Consulate General)
Guadalajara (Consulate General)
Hermosillo (Consulate General)
Matamoros (Consulate General)
Monterrey (Consulate General)
Tijuana (Consulate General)
Mérida (Consulate)
Nogales (Consulate)
Nuevo Laredo (Consulate)
Acapulco (Consular Agency)
Cabo San Lucas (Consular Agency)
Cancún (Consular Agency)
Ciudad Acuña (Consular Agency)
Cozumel (Consular Agency)
Ixtapa (Consular Agency)
Mazatlán (Consular Agency)
Oaxaca (Consular Agency)
Piedras Negras (Consular Agency)
Puerto Vallarta (Consular Agency)
Reynosa (Consular Agency)
San Luis Potosí (Consular Agency)
San Miguel de Allende (Consular Agency)
Nicaragua
Managua (Embassy)
Panama
Panama City (Embassy)
Trinidad and Tobago
Port of Spain (Embassy)
Turks and Caicos Islands
Providenciales (Consular Agency)
South America
Argentina
Buenos Aires (Embassy)
Bolivia
La Paz (Embassy)
Brazil
Brasília (Embassy)
Rio de Janeiro (Consulate General)
São Paulo (Consulate General)
Recife (Consulate)
Belém (Consular Agency)
Fortaleza (Consular Agency)
Manaus (Consular Agency)
Porto Alegre (Consular Agency)
Salvador (Consular Agency)
Chile
Santiago (Embassy)
Colombia
Bogotá (Embassy)
Cartagena (Embassy Branch Office)
Ecuador
Quito (Embassy)
Guayaquil (Consulate General)
Guyana
Georgetown (Embassy)
Paraguay
Asunción (Embassy)
Peru
Lima (Embassy)
Cusco (Consular Agency)
Suriname
Paramaribo (Embassy)
Uruguay
Montevideo (Embassy)
Venezuela
Caracas (Embassy)
Maracaibo (Consular Agency)
Middle East
Bahrain
Manama (Embassy)
Cyprus
Nicosia (Embassy)
Iraq
Baghdad (Embassy)
Basra (Consulate General)
Kirkuk (Office of the Embassy)
Mosul (Office of the Embassy)
Israel
Tel Aviv (Embassy)
Jerusalem (Consulate General)
Jordan
Amman (Embassy)
Kuwait
Kuwait City (Embassy)
Lebanon
Beirut (Embassy)
Oman
Muscat (Embassy)
Palestinian territories
Jerusalem (Consulate General)
Qatar
Doha (Embassy)
Saudi Arabia
Riyadh (Embassy)
Dhahran (Consulate General)
Jeddah (Consulate General)
Syria
Damascus (Embassy)—Embassy operations suspended[12]
Turkey
Ankara (Embassy)
Istanbul (Consulate General)
Adana (Consulate)
Izmir (Consular Agency)
United Arab Emirates
Abu Dhabi (Embassy)
Dubai (Consulate General)
Yemen
Sana'a (Embassy)
Africa
Algeria
Algiers (Embassy)
Angola
Luanda (Embassy)
Benin
Cotonou (Embassy)
Botswana
Gaborone (Embassy)
Burkina Faso
Ouagadougou (Embassy)
Burundi
Bujumbura (Embassy)
Cameroon
Yaoundé (Embassy)
Cape Verde
Praia (Embassy)
Central African Republic
Bangui (Embassy)
Chad
N'Djamena (Embassy)
Republic of the Congo
Brazzaville (Embassy)
Ivory Coast
Abidjan (Embassy)
Democratic Republic of the Congo
Kinshasa (Embassy)
Djibouti
Djibouti (Embassy)
Egypt
Cairo (Embassy)
Alexandria (Consulate-General)[13]
Equatorial Guinea
Malabo (Embassy)
Eritrea
Asmara (Embassy)
Ethiopia
Addis Ababa (Embassy)
Gabon
Libreville (Embassy)
Gambia
Banjul (Embassy)
Ghana
Accra (Embassy)
Guinea
Conakry (Embassy)
Guinea-Bissau
Bissau (Branch Office of US Embassy in Dakar, Senegal)
Kenya
Nairobi (Embassy)
Lesotho
Maseru (Embassy)
Liberia
Monrovia (Embassy)
Libya
Tripoli (Embassy)
Benghazi (Consulate General)[citation needed]
Madagascar
Antananarivo (Embassy)
Malawi
Lilongwe (Embassy)
Mali
Bamako (Embassy)
Mauritania
Nouakchott (Embassy)
Mauritius
Port Louis (Embassy)
Morocco
Rabat (Embassy)
Casablanca (Consulate General)
Mozambique
Maputo (Embassy)
Namibia
Windhoek (Embassy)
Niger
Niamey (Embassy)
Nigeria
Abuja (Embassy)
Lagos (Consulate General)
Rwanda
Kigali (Embassy)
Senegal
Dakar (Embassy)
Sierra Leone
Freetown (Embassy)
South Africa
Pretoria (Embassy)
Cape Town (Consulate General)
Durban (Consulate General)
Johannesburg (Consulate General)
South Sudan
Juba (Embassy)
Sudan
Khartoum (Embassy)
Swaziland
Mbabane (Embassy)
Tanzania
Dar es Salaam (Embassy)
Togo
Lomé (Embassy)
Tunisia
Tunis (Embassy)
Uganda
Kampala (Embassy)
Zambia
Lusaka (Embassy)
Zimbabwe
Harare (Embassy)
Asia
Afghanistan
Kabul (Embassy)
Herat (Consulate)
Bangladesh
Dhaka (Embassy)
Brunei
Bandar Seri Begawan (Embassy)
Cambodia
Phnom Penh (Embassy)
People's Republic of China
Beijing (Embassy)
Chengdu (Consulate General)
Guangzhou (Consulate General)
Hong Kong (Consulate General)
Shanghai (Consulate General)
Shenyang (Consulate General)
Wuhan (Consulate General)
India
New Delhi (Embassy)
Chennai (Consulate General)
Hyderabad (Consulate General)
Kolkata (Consulate General)
Mumbai (Consulate General)
Indonesia
Jakarta (Embassy)
Denpasar (Consular Office)
Surabaya (Consulate General)
Japan
Tokyo (Embassy)
Naha (Consulate General)
Osaka (Consulate General)
Sapporo (Consulate General)
Fukuoka (Consulate)
Nagoya (Consulate)
Kazakhstan
Astana (Embassy)
Almaty (Embassy Branch Office)
Kyrgyzstan
Bishkek (Embassy)
Laos
Vientiane (Embassy)
Malaysia
Kuala Lumpur (Embassy)
Mongolia
Ulaanbaatar (Embassy)
Myanmar
Yangon (Embassy)
Nepal
Kathmandu (Embassy)
Pakistan
Islamabad (Embassy)
Karachi (Consulate General)
Lahore (Consulate)
Peshawar (Consulate)
Philippines
Manila (Embassy)
Cebu City (Consular Agency)
Singapore
Singapore (Embassy)
South Korea
Seoul (Embassy)
Busan (Presence Post)
Sri Lanka
Colombo (Embassy)
Republic of China (Taiwan)
Taipei (American Institute in Taiwan)
Kaohsiung (American Institute in Taiwan—branch office)
Tajikistan
Dushanbe (Embassy)
Thailand
Bangkok (Embassy)
Chiang Mai (Consulate General)
Timor-Leste
Dili (Embassy)
Turkmenistan
Ashgabat (Embassy)
Uzbekistan
Tashkent (Embassy)
Vietnam
Hanoi (Embassy)
Ho Chi Minh City (Consulate General)
Oceania
Australia
Canberra (Embassy)
Melbourne (Consulate General)
Perth (Consulate General)
Sydney (Consulate General)
Fiji
Suva (Embassy)
Marshall Islands
Majuro (Embassy)
Federated States of Micronesia
Kolonia (Embassy)
New Zealand
Wellington (Embassy)
Auckland (Consulate General)
Palau
Koror (Embassy)
Papua New Guinea
Port Moresby (Embassy)
Samoa
Apia (Embassy)
Solomon Islands
Honiara (Consular Agency) (End)
http://en.wikipedia.org/wiki/List_of_diplomatic_missions_of_the_United_States
