The newspaper, quoting  secret reports,  said Syria had indicated its interest in resuming talks in remarks made last week by the Syrian ambassador to Washington, Walid Mualem, in a lecture to a closed forum in Baltimore. Two top aides to Netanyahu, political adviser Uzi Arad and Cabinet Secretary Danny Naveh, left for Europe on Sunday, apparently to (investigate) the Syrian issue, the newspaper said.  
 Verb: investigate
Yes