Scammed 8m OSRS by dysfunction

[Nitrogen lead]

Scammer's profile link: http://www.sythe.org/members/473804-dysfunction.html
Explanation of the trade: 8M for a list of quest, gave him 5m before hand, and 3m on account incase. He didn't start a single quest, and took all cash. Even destroyed my tentacle saw later on.. so 9m+ loss.
How they scammed: He didn't start a single quest, and took all cash.
Sythe PM picture: https://gyazo.com/fa8486182acb30b758aaff33e64818e7
Skype profile ID & conversation: https://gyazo.com/bd86f10fec52163f99fefb6bd3ba290d
Other relevant trade screenshots:
https://gyazo.com/08df314e9827f8593d48e618244b17f8
https://gyazo.com/f402b64cb4c26793975477af738fa9b2
https://gyazo.com/485d9aed27db2c3dd05cdb26d5ad15fd
https://gyazo.com/ed6e6fbb6653422335f5df833b012004
https://gyazo.com/4a402fa66466b0edb06a3bd40e0b89d6
https://gyazo.com/15aba06d6647e4de00760c8c1295a9c0

 

[video]

Sad day