The disgruntled Bronx tenant accused of shooting to death the super of his building and wounding two others had in recent months filed criminal complaints against his neighbors, made multiple calls to 311 about building issues and sued his landlord over a bedbug infestation, the Daily News has learned.

The legal deluge murder suspect Jimmy Avila launched at neighbors and staff in his rent-controlled College Ave. apartment building exploded in gun smoke and bloodshed on Wednesday morning — and three days later Avila died on Rikers Island .

Avila’s cause of death has not yet been determined after he died in jail Saturday, just a day after being arraigned for murder in Bronx Criminal Court.

The lawsuits and complaints give insights into his mindset as tensions mounted in the building

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