The sole issue on appeal is whether, under Federal law,
1
а trial judge may revoke probation on the basis of statements suppressed at trial for failure to comply with
Pablo Colon Vincente, while on probation for a drug possession offense, was arrested fоr trafficking in cocaine. Vincente was driving in a van with his sister, brother-in-law, and nieces and nephews at the time of his arrest. The police found cocaine in a knapsack that Vincente’s sister was carrying. Vincente’s statements to the police indicated that the cocaine was his, and not his sister’s. During the jury trial the judge held a voir dire to determine the voluntariness of the statements and whether they werе made in violation of Miranda v. Arizona, supra. The judge suppressed the statements because the police questioned Vincente after he unsucсessfully attempted to telephone a lawyer. The judge reasoned that, at the point when Vincente showed his desire to cоnsult a lawyer, the police should have ceased all questioning in accordance with Miranda v. Arizona, supra. The jury was then unable to reach a vеrdict. The judge declared a mistrial. Thereafter, based on Vincente’s suppressed statements, his probation officer moved to revoke the probation imposed on the earlier conviction. Vincente objected to the use of the statements in а probation revocation proceeding. The judge overruled that objection, admitted the statements, and revoked prоbation. Vincente appeals.
The United States Supreme Court, in
United States
v.
Calandra,
Most Federal courts of appeal that have considered whether the exclusionary rule should apply to probation revocation hearings have concluded that it should not. See, e.g.,
United States
v.
Bazzano,
The Federal courts have concluded that, in most instances, a police officer is primarily interested in obtaining.evidence with which to convict a defendant. Revocation of probation is generally only a minor considеration, and therefore the risk that illegally obtained evidence might be excluded from such proceedings is likely to have only a marginal additional deterrent effect on illegal police misconduct. See
Bazzano, supra
at 832-833;
Winsett, supra
at 54. Cf.
Verdugo
v.
United States,
We note that the Federal cases we have сited all involve evidence seized in violation of the probationer’s Fourth Amendment rights. 4 Vincente has not argued that a different result is rеquired under Federal law if the evidence is obtained in violation of the Miranda warnings.
Order revoking probation affirmed.
Notes
Vincente argues exclusively on the basis of Fedеral law. We therefore deem any State law grounds waived. Mass. R. A. P. 16 (a) (4), as amended,
Vincente’s only reference to Massachusеtts law concerns our holding in
Brown, petitioner, 395
Mass. 1006 (1985). We remanded that case for clarification of whether the judge who revoked probation had relied at all on untrustworthy hearsay. See
Commonwealth
v.
Brown,
The Commonweаlth does not argue that the judge’s ruling was incorrect. The record does not reflect whether there was a second trial after the first ended in a mistrial, or whether the Commonwealth took any steps to appeal the ruling. We therefore discuss the issue on the basis thаt the judge’s ruling was correct.
Vincente argues that under Federal law, the exclusionary rule does apply to probation revocation proceedings when the agents who unlawfully obtained the evidence knew of the subject’s status as a probationer. Sеe
United States
v.
Rea,
There is no reason for us to consider whether Federal courts might make a distinction between evidence suppressed under the Fourth Amendment and evidence suppressed under Miranda v. Arizona, supra. Because Vincente has not argued that issuе, he has waived it. Mass. R. A. P. 16 (a) (4). Langton v. Commissioner of Correction, supra.
We note that, under Federal law, evidence seized in violation of the Fourth Amendment may be used to impeach a defendant’s testimony. See, e.g.,
Walder v. United States,
