The Zodiac Cartel was founded by Cornelius van Lunt (Taurus), handpicking the eleven other members; van Lunt concealed his own identity, while he was the only one who knew the identities of the others.
The Zodiac Cartel was established by Cornelius van Lunt (Taurus), personally selecting the remaining eleven members; van Lunt kept his own identity hidden, while he alone knew the identities of the others.