I know Viet is involved with a dangerous organization, but I still don't think that he has anything to do with the crime.
Don't get involved with people like that.
If you ate blowfish without taking the poison out, it would be a matter of life and death.
You know that the kanji means connection. This is a verb, so one meaning is to be connected with. There are many other ways to say this too. This word is a bit full featured. You can say to be involved with or even to be affected. Basically things that have to do with being connected with something else.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you: Who have you gotten involved with this time? The "Kaw Kaw (かか) Crow Gang" this time? They are bad news, always eating from garbage and stuff... You don't want to be connected with them.