The Russians, in their zeal to defeat Clinton in a desperate hope to remove the economic sanctions against them, have sewed a bitter harvest. Now relations with Russia are returning to those during the Cold War.   As far as Trump's direct involvement, perhaps the "smoking gun" will come if evidence irrefutably demonstrates that Trump's people were behind the otherwise bizarre (yet successful) effort to change the Republican Party Platform before the convention to delete party platform support of the effort to supply Ukraine with lethal defensive weapons. 

Ref: "Trump campaign guts GOP’s anti-Russia stance on Ukraine" https://www.washingtonpost.com/opinions/global-opinions/trump-campaign-guts-gops-anti-russia-stance-on-ukraine/2016/07/18/98adb3b0-4cf3-11e6-a7d8-13d06b37f256_story.html?utm_term=.c024f7cfba01

Ref: "Did Trump campaign soften platform language to benefit Russia?"
http://www.politifact.com/truth-o-meter/article/2016/aug/04/did-trump-campaign-soften-platform-language-benef