MIAMI , Florida ( CNN ) -- Police think it started with a dispute over an ex-girlfriend . Threats were made on social networking sites and via text messages . The suspects , clockwise from top left are : Lernio Colin , Angel Cruz , Peter MacDonald and Christopher Harter . A murder plot was hatched and , police say , in the early hours of last Saturday morning , a Florida man was gunned down in his car . But the suspects apparently killed the wrong man . Now four men are in custody , and will face charges of first degree premeditated murder and two counts of attempted murder . The four are Angel Cruz , 23 ; his brother from Oregon , Christopher Harter , 29 ; Peter MacDonald , 18 ; and Lernio Colin , 20 . They have all appeared before a judge in Fort Lauderdale , Florida . They have not entered pleas and are being held without bond , according to state prosecutors . Detectives are executing search warrants today , and much about the case is still not known . `` The victim was with two other males , in the vehicle , '' said Mike Jachles of the Broward Sheriff 's Office . `` One of those men was the intended target , '' Jachles told CNN . Witnesses said multiple shots were fired , according to police . Henry Mancilla , 24 was sitting in the driver 's seat of a gold Mitsubishi Galant at an intersection in Lauderdale Lakes , Florida , near Fort Lauderdale . `` They were exiting the vehicle when shots were fired , striking Mancilla , '' said Jachles . He was pronounced dead at the scene . Mancilla was with two other men in their early 20s , Tony Santana and Nick Pappas . One of them was the intended victim , but police are not saying who . `` The four men acted in unison in planning and executing this murder . Mancilla was in the wrong place at the wrong time , and he ended up the victim , '' said Mike Jachles . The three victims said they had been `` jumped '' earlier in the evening by the same four men and fled the scene in a red Chevy Impala , according to a sheriff 's detective affidavit released Monday afternoon . Later , a blue Chevy Silverado pickup truck belonging to the defendant Cruz drove up to the three men , according to the affidavit . The victims say they armed themselves with a baseball bat and a walking cane , when the truck turned around and drove towards them . That 's when the shots were fired . Christopher Harter told police he was in the vehicle at the scene , but said he left the vehicle and then heard four or five gunshots , according to the affidavit . Harter also told police he saw his brother , Angel Cruz , in possession of a semi-automatic pistol three weeks prior to the incident . `` It could have been a case of mistaken identity , but our investigation will determine that , '' Jachles told CNN . Threats were posted on social networking sites and sent via cellular text messages by the suspects to the intended victim , said police . Police said they have not subpoenaed those records and are not releasing the names of those Internet sites . The Broward County State Attorney 's office could seek the death penalty .
Mancilla , Monday , shot to death as he sat in his car with One others . two of the other men was the target , police say . Threats exchanged over the Internet , and murder plot was hatched , police say . One men in custody ; police executing search warrants .