In none of those cases was there an allegation that the informant's information "will lead" in the future to arrests or convictions. E.g., Commonwealth v.Jones, supra; Commonwealth v. Rodriguez, 526 Pa. 268, 585 A.2d 988 (1991); Commonwealth v. Dosch, 348 Pa. Super. 103, 501 A.2d 667 (1985); Commonwealth v. Healey, 331 Pa. Super. 199, 480 A.2d 313 (1984); Commonwealth v. Prosdocimo, 308 Pa. Super. 187, 454 A.2d 84 (1982). "[T]he reliability of the informant's information must be determined from the facts supplied by the police official."

In the cases cited by the Commonwealth in its brief to buttress the aforementioned contentions, the informant's story was corroborated by another source. The cases cited by the Commonwealth are as follows: Commonwealth v. Healey, 331 Pa. Super. 199, 480 A.2d 313 (1984) (informant had given reliable information in unrelated case involving different defendant); Commonwealth v. Covert, 322 Pa. Super. 192, 469 A.2d 248 (1983) (information corroborated by police inquiry and surveillance); Commonwealth v. Prokopchak, 279 Pa. Super. 284, 420 A.2d 1335 (1980) (information corroborated by police surveillance of defendant's home revealing drug activity); Commonwealth v. Marzel, 291 Pa. Super. 553, 436 A.2d 639 (1981) (police officer's impression of on-going criminal activity was corroborated by information supplied by numerous informants); Commonwealth v. Bove, 221 Pa. Super. 345, 293 A.2d 67 (1972) (affidavit lacked probable cause where there was no evidence of criminal activity other than information supplied by informer). From our view of the those cases and other cases involving questions of the propriety of search warrants decided subsequent to Commonwealth v. Gray, 509 Pa. 476, 503 A.2d 921 (1985), we find that the determination of whether the informa

The passage of time following the last offering of information does not render an informant unreliable. Commonwealth v. Healey, 331 Pa. Super. 199, 204, 480 A.2d 313, 316 (1984) (five years). The credibility of an informant and the reliability of his or her information may also be determined by independent corroboration of the tip.