Abdullah Dhu al-Bajadin, a recognized explosives expert in the jihadist forum community, mockingly wrote that the bombings in Boston, Massachusetts, on April 15, 2013, destroyed the "myth" of American security with the cost of a pressure cooker.

Abdullah Dhu al-Bajadin released the fourth issue of his "Al-Qaeda Airlines" magazine, and in it, focused on toxic cyanide gas and explored scenarios in which cyanide compounds can be used to strike transportation systems.

Abdullah Dhu al-Bajadin, the author of "Al-Qaeda Airlines" magazine and a recognized explosives expert in the jihadist forum community, advertised the magazine's upcoming releases, including one about injections, and remarked on the death of US Ambassador John Christopher Stevens in Benghazi, Libya.

Abdullah Dhu al-Bajadin, the author of "Al-Qaeda Airlines" magazine and a recognized explosives expert in the jihadist forum community, commented on the book "No Easy Day" in which a US Navy SEAL gives a firsthand account of the killing of Usama bin Laden.

Abdullah Dhu al-Bajadin released the third issue of his "Al-Qaeda Airlines" magazine, and in it, focused on deadly poisons including nicotine and ricin, as well as assassination methods.

Abdullah Dhu al-Bajadin, the author of “Al-Qaeda Airlines” magazine and a recognized explosives expert in the jihadist forum community, urged jihadists to have patience amidst the lack of major operations by al-Qaeda and its affiliates.

Abdullah Dhu al-Bajadin released the second issue of his "Al-Qaeda Airlines" magazine, and in it, explored the failures and successes of ten jihadi operations over the past decade.

Abdullah Dhu al-Bajadin, a recognized explosives expert within the jihadist forum community, released the first issue of a new magazine he titled, "Al-Qaeda Airlines."

Posting pictures of six men who carried out attacks in Western countries, such as Fort Hood shooter Nidal Hasan and Stockholm suicide bomber Taymour Abdulwahab al-Abdaly, an explosives expert suggested that the 2012 London Olympics may be a future target.

In the seventh lesson of his training course for beginners in explosives and toxins, Abdullah Dhu al-Bajadin continued to list raw materials used in manufacturing explosives, giving nine, and advising how they may be obtained. 

In the sixth lesson of his training course for beginners in explosives and toxins, Abdullah Dhu al-Bajadin departed from the subject matter and provided users with a video about communications devices.

In the fifth lesson of his training course for beginners in explosives and toxins, Abdullah Dhu al-Bajadin listed 14 materials that are used in manufacturing explosives and that are easily available or obtained.

In the third lesson of his training course for beginners in explosives and toxins, Abdullah Dhu al-Bajadin explained how to extract potassium chlorate from matchstick heads and fashion a shoe lace or cotton thread into a fuse. 

In the second lesson of his training course for beginners in explosives and toxins, Abdullah Dhu al-Bajadin defined terms that are frequently used in explosives manuals and explained basic items that are needed for experiments and preparation of materials.

Abdullah Dhu al-Bajadin, a recognized explosives expert within the jihadist internet community, launched a beginner’s training course for explosives and toxins on April 20, 2011.

In the seventh and eighth posts, which are the final two posts of Abdullah Dhu al-Bajadin’s manual “The Encyclopedia of the Best Picked Fruits in the Arts of Terrorism,” Bajadin discussed iron filings and iron oxide and how both materials may be procured and used in explosives. 

In the fourth through sixth posts of Abdullah Dhu al-Bajadin’s manual “The Encyclopedia of the Best Picked Fruits in the Arts of Terrorism,” Bajadin discussed calcium carbide, silver and silver nitrate, and how these materials can be used to make fuses.

In the third post of Abdullah Dhu al-Bajadin’s manual “The Encyclopedia of the Best Picked Fruits in the Arts of Terrorism,” Bajadin discussed phenol, which he noted to be a component in the high explosive picric acid, and an alternate substance, acetylsalicylic acid. 

Abdullah Dhu al-Bajadin, a recognized explosives expert within the jihadist internet community, published a manual titled “The Encyclopedia of the Best Picked Fruits in the Arts of Terrorism,” which covers explosives manufacturing, preparation of toxic gases, and civilian vandalism.

At the request of Abdullah Dhu al-Bajadin’s representative on jihadist forums, jihadists have translated English-language video explosive component manuals into Arabic.

In the third (final) portion of Abdullah Dhu al-Bajadin’s 83-page manual for explosive peroxide mixtures, Bajadin presented methods to obtain aluminum powder and glycerin, and ideas to detonate the explosives.