ran·sack 
(rănsăk′)
(rănsăk′)tr.v. ran·sacked, ran·sack·ing, ran·sacks
1. To search through (something) thoroughly and often roughly: ransacked the drawer looking for my keys.
2. To go through (a place) stealing valuables and causing disarray; pillage: ransacked the village.
[Middle English ransaken, from Old Norse rannsaka : rann, house + *saka, to search, seek; see sāg- in the Appendix of Indo-European roots.]
ransack′er n.