Al Jazeera's Listening Post looks at the US air raid on Eastern Syria last month, and the way that story was covered. There are two conflicting narratives: Damascus says four US helicopters illegally entered Syrian airspace from Iraq and killed innocent civilians; Washington says the target was a senior al-Qaeda figure. The eyewitness accounts and amateur video footage shown on Syrian TV posed a lot of questions that remain unanswered by the Pentagon and ignored by the Western media. We look at the difficulties of differentiating between truth and propaganda.