Cover one's tracks
Figuratively: to conceal an act in order to prevent the person responsible from being discovered.
(Modern Hebrew)
Translation
Expression (Hebrew)
טִשְׁטֵשׁ אֶת הָעֲקֵבוֹת
Definition (Hebrew)
בְּהַשְׁאָלָה: פָּעַל לְהַסְתָּרַת הַמַּעֲשֶׂה לִמְנִיעַת גִּילּוּי הָאַחְרַאי לוֹ.
(הָעִבְרִית הַחֲדָשָׁה)