United States prosecutors want Heather Morgan, also known as the rapper “Razzlekhan,” to spend 18 months in jail for her role in laundering 120,000 Bitcoin stolen from the crypto exchange Bitfinex in 2016. In an Oct. 9 filing, federal prosecutors asked that Morgan be given a more lenient sentence after she provided “substantial assistance” in her and her husband Ilya Lichtenshtein’s plea bargain in July 2023. Prosecutors also argued for a lighter sentence for Morgan as she was a “lower-level participant” relative to Lichtenshtein and noted that she had only spent a “small fraction” of what the…