Kvachkov denied his involvement and refused to help the investigation .
While the first search of Kvachkov 's home discovered nothing crime related , the second search found firecrackers in Kvachkov 's dacha .
Kvachkov denied Kvachkov 's involvement and refused to help the investigation .
While the first search of Kvachkov 's home discovered nothing crime related , the second search found firecrackers in Kvachkov 's dacha .