Complex sentence: In 2005, Petros Karasaridis, Giorgos Kalaitzidis and Panayiotis Aspiotis were taken into custody in connection with an anarchist firebombing in Athens, suspected by authorities of membership in the Thieves in Black.
Split into simpler sentences: In 2005, Petros Karasaridis, Giorgos Kalaitzidis and Panayiotis Aspiotis were taken into custody in connection to an anarchist firebombing in Athens. The three men were suspected by authorities of membership in the Thieves in Black.