From Ynet News, 27 June 2014, by Ron Ben-Yishai
Publication of Kidnappers' Names May Aid Capture
The assumption by the Israel Security Agency that the Hamas network in Hebron was responsible for the kidnapping has been confirmed.
The abductors are probably still in hiding and looking for a way to escape. The ISA is publishing their names and photos in the hope that someone on the Palestinian side will step up and give them away.
On the Palestinian street it is well known that information on the whereabouts of the kidnappers would be generously rewarded. Palestinians with a family member detained in Israel who want better conditions for him and for themselves may be tempted to come forward and provide information.
Publishing the names and photos of the kidnappers also proves it was Hamas that is responsible for the abduction, and not some Palestinians who acted on impulse.
From Times of Israel, 27 June 2014, by Lazar Berman:
Hamas Confirms Two Suspects Were Its Members
Hamas officials in Hebron confirmed the two abductors, Marwan Kawasme and Amer Abu Aysha, were members of the group.
A senior Palestinian intelligence official said the fact that the two men have been missing since the kidnapping is "clear evidence they have links to the abduction."