He was most-famous during his tenure under Bad Boy Records where his single "Flava in ya Ear" (1994) was a crossover-hit in both rap- and pop-charts.

[4] Craig Jamieson Mack was born in The Bronx, New York,[5] and raised in Brentwood, Long Island.

Mack became friends with fellow Long Island hip hop act EPMD and eventually went on tour with the duo, doing jobs as a roadie.

After a few years without forward movement in his recording career and EPMD's breakup, Mack took advantage of an opportunity that Alvin Toney made possible for him, to rap for Sean Combs.

[6] While Mack was technically the first rapper to release music on Bad Boy Records,[1][7] the success of The Notorious B.I.G.

Mack was absent from the hip hop industry until in 2012, when a video was leaked on YouTube saying he had joined a Christian ministry, surprising family members and fans.

[3] The Overcomer Ministry is a secluded Christian commune that has been described as a cult,[12][10] and whose leader Brother Stair has been charged with various crimes, including assault and sexual conduct with a minor.

[18] Dutch record label MECSMI released the That's My Word mixtape, hosted by DJ Tape Deck King, via DatPiff and YouTube on August 20, 2018.

[19] In November 2018, 'That's My Word' posthumously won Mixtape of the Year at Bout Dat Online's Audio Dope Awards.

The cause of death was originally reported as congestive heart failure, which Mack had claimed as a health problem in 2014.

[4] According to rapper Erick Sermon, Mack called his friends around six months before death[22] to bid farewell as his health was declining.