Dislocker allows mountingBitlocker encrypted drives with linux.
Execute as root:
mkdir /media/bitlocker
dislocker -r -V /dev/sdb1 -uPASSWORD — /media/bitlocker
mkdir /media/mount
mount -r -o loop /media/bitlocker/dislocker-file /media/mount
References
[1] https://linuxiswonderful.wordpress.com/2017/07/11/decrypt-bitlocker-encrypted-drive-through-linux/