The phrase "alongside terrorists" is correct and usable in written English.
It can be used to describe a situation where someone or something is in proximity or in cooperation with terrorists.
Example: "The investigation revealed that several individuals were operating alongside terrorists to facilitate their activities."
Alternatives: "in conjunction with terrorists" or "together with terrorists".
New evidence from other UK intelligence documents revealed by Snowden also shows that a GCHQ information security assessment listed "investigative journalists" as a threat in a hierarchy alongside terrorists or hackers.
The United States has killed American citizens abroad who are suspected of fighting alongside terrorists, and last month Britain killed two of its own citizens in drone strikes in Syria.
I wasn't expecting to be was assaulted by the view of a shackled man being forcibly drowned by captors pouring water over his mouth and nose... Alongside terrorists and drug dealers, the CIA routinely uses waterboarding to "interrogate" their prisoners.
An operation that deliberately targeted women or children alongside terrorist suspects "was to be authorized only under extraordinary circumstances".
One day after a Bolingbrook teen was accused in federal court in Chicago of plotting to travel to the Middle East and join Islamic State, the FBI is asking for the public's help to identify other individuals who have traveled — or are planning to travel — overseas to fight alongside terrorist organizations.
As for the so-called "disappeared," the Argentine generals liked to scoff — they were probably off fighting in the hills, alongside other "terrorists".
Some suspect that acting alongside the terrorists were bigger forces for whom Moro's disappearance was, in the circumstances, a necessary evil.
I am reminded of how, during the eighties, Latin American military dictators, from Chile to Guatemala, routinely denied that secret large-scale torture and executions were taking place in their anticommunist purges; their favorite line was to accuse "the disappeared" of being off in the mountains, fighting alongside the terrorists who sought to turn their precious republics into Soviet outposts.
"Now they [the Western media] are not only holding double standards on the anti-terrorism issue, but they are standing alongside the terrorists," the Liberation Daily quotes Li Wei, anti-terrorism expert from China Institute of Contemporary International Relations, as saying.
WASHINGTON — A former American soldier was charged Thursday with fighting alongside a terrorist group that is battling the Syrian government of President Bashar al-Assad, whose ouster the United States has sought for nearly two years.
A police or fire-operated drone could be flying alongside a terrorist drone, a toy drone cutting off a delivery drone or a paparazzi drone snapping a wedding atop a vineyard next to a commercial crop dusting drone.
