This is an interesting situation and, as often happens here, the background and reasons for the arrest are as clear as mud.
Is it to do with his tax bill? He supposedly came to an agreement with the DGII to pay RD$54 million having had the outstanding bill reduced by RD$170 million.
Is it to do with his association with Lee Chin, Jamaican billionaire and owner/ex owner of Lajun garbage dump who is suing the DR State for US$300 million? More info here":
https://www.diariolibre.com/noticias/ciudad/lajun-enfrentada-con-alcaldes-en-tribunales-KE8152491
If you watch the twitter feeds you can see that:
1. He is still on the 4th floor of the Palace of Justice
2. No charges have yet been brought
3. The DGII say an agreement was reached and have asked for the charges to be dropped ( not sure how that deals with the money laundering)
4. He was spotted having lunch in Santo Domingo so not under arrest
5. He is at home so not under arrest
As I said, clear as mud.
Matilda