More on Turkish suicide bomber from NYTImes -

[link to nyti.ms]

...DHKP-C has claimed responsibility for assassinations and bombings since the 1970s, but it has been relatively quiet in recent years. Compared to al-Qaida, it has not been seen as a strong terrorist threat.

Sanli's motives remained unclear. But some Turkish government officials have linked the attack to the arrest last month of dozens of suspected members of the DHKP-C group in a nationwide sweep.

Speculation also has abounded that the bombing was related to the perceived support of the U.S. for Turkey's harsh criticism of the regime in Syria, whose brutal civil war has forced tens of thousands of Syrian refugees to seek shelter in Turkey. But Prime Minister Erdogan has denied that...

DHKP-C's forerunner, Devrimci Sol, or Revolutionary Left, was formed in 1978 as a Marxist group openly opposed to the United States and NATO. It has attacked Turkish, U.S. and other foreign targets since then, including two U.S. military contractors and a U.S. Air Force officer.

The group, designated as a terrorist organization by the United States and other European allies, changed its name to DHKP-C in 1994....